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131403033033021 = 3317538365078681
BaseRepresentation
bin11101111000001010100111…
…000110110011100100111101
3122020021000012022012010101000
4131320022213012303210331
5114210401402424024041
61143245415305040513
736451361440544421
oct3570124706634475
9566230168163330
10131403033033021
1138961793528082
12128a2955a86139
13584233966ac49
142463d2552cb81
15102d163b24bb6
hex7782a71b393d

131403033033021 has 64 divisors (see below), whose sum is σ = 212541769117440. Its totient is φ = 79918701557760.

The previous prime is 131403033032951. The next prime is 131403033033031. The reversal of 131403033033021 is 120330330304131.

131403033033021 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 0 + 303 + 3 + 0 + 330 + 21 = 666.

It is not a de Polignac number, because 131403033033021 - 235 = 131368673294653 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131403033033031) 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, 30520200 + ... + 34558481.

It is an arithmetic number, because the mean of its divisors is an integer number (3320965142460).

Almost surely, 2131403033033021 is an apocalyptic number.

It is an amenable number.

131403033033021 is a deficient number, since it is larger than the sum of its proper divisors (81138736084419).

131403033033021 is a wasteful number, since it uses less digits than its factorization.

131403033033021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65078843 (or 65078837 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 131403033033021 its reverse (120330330304131), we get a palindrome (251733363337152).

The spelling of 131403033033021 in words is "one hundred thirty-one trillion, four hundred three billion, thirty-three million, thirty-three thousand, twenty-one".

Divisors: 1 3 9 17 27 51 53 83 153 159 249 459 477 747 901 1411 1431 2241 2703 4233 4399 8109 12699 13197 24327 38097 39591 74783 118773 224349 673047 2019141 65078681 195236043 585708129 1106337577 1757124387 3319012731 3449170093 5401530523 9957038193 10347510279 16204591569 29871114579 31042530837 48613774707 58635891581 91826018891 93127592511 145841324121 175907674743 275478056673 286281117719 527723024229 826434170019 858843353157 1583169072687 2479302510057 2576530059471 4866779001223 7729590178413 14600337003669 43801011011007 131403033033021