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131223401300133 = 33151173211881743
BaseRepresentation
bin11101110101100011010100…
…001110001000000010100101
3122012121211112110101121122000
4131311203110032020002211
5114144431011213101013
61143031110501355513
736432402133162362
oct3565432416100245
9565554473347560
10131223401300133
11388a259405748a
1212873b83708b99
13582b41010733c
1424593645d7469
15102864d912973
hex7758d43880a5

131223401300133 has 64 divisors (see below), whose sum is σ = 197756697845760. Its totient is φ = 85991006808000.

The previous prime is 131223401300119. The next prime is 131223401300141. The reversal of 131223401300133 is 331003104322131.

131223401300133 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 2 + 340 + 1 + 300 + 13 + 3 = 666.

It is not a de Polignac number, because 131223401300133 - 28 = 131223401299877 is a prime.

It is a super-2 number, since 2×1312234013001332 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 131223401300097 and 131223401300106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151223401300133) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 148381860 + ... + 149263602.

It is an arithmetic number, because the mean of its divisors is an integer number (3089948403840).

Almost surely, 2131223401300133 is an apocalyptic number.

It is an amenable number.

131223401300133 is a deficient number, since it is larger than the sum of its proper divisors (66533296545627).

131223401300133 is a wasteful number, since it uses less digits than its factorization.

131223401300133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882287 (or 882281 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 131223401300133 its reverse (331003104322131), we get a palindrome (462226505622264).

The spelling of 131223401300133 in words is "one hundred thirty-one trillion, two hundred twenty-three billion, four hundred one million, three hundred thousand, one hundred thirty-three".

Divisors: 1 3 9 27 151 173 211 453 519 633 1359 1557 1899 4077 4671 5697 26123 31861 36503 78369 95583 109509 235107 286749 328527 705321 860247 881743 985581 2645229 5511953 7935687 16535859 23807061 49607577 133143193 148822731 152541539 186047773 399429579 457624617 558143319 1198288737 1372873851 1674429957 3594866211 4118621553 5023289871 23033772389 28093213723 32186264729 69101317167 84279641169 96558794187 207303951501 252838923507 289676382561 621911854503 758516770521 869029147683 4860125974079 14580377922237 43741133766711 131223401300133