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13131012233331 = 321459001359259
BaseRepresentation
bin1011111100010100110101…
…0100011101100001110011
31201111022102211010112222200
42333011031110131201303
53210114303112431311
643532145335234243
72523453503250336
oct277051524354163
951438384115880
1013131012233331
1142029160987a3
121580a65518983
13743331491385
14335789b0461d
1517b87b2e6556
hexbf14d51d873

13131012233331 has 6 divisors (see below), whose sum is σ = 18967017670380. Its totient is φ = 8754008155548.

The previous prime is 13131012233291. The next prime is 13131012233363. The reversal of 13131012233331 is 13333221013131.

13131012233331 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 101 + 223 + 3 + 331 = 666.

It is not a de Polignac number, because 13131012233331 - 26 = 13131012233267 is a prime.

It is a super-2 number, since 2×131310122333312 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13131012233295 and 13131012233304.

It is not an unprimeable number, because it can be changed into a prime (13131012237331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 729500679621 + ... + 729500679638.

It is an arithmetic number, because the mean of its divisors is an integer number (3161169611730).

Almost surely, 213131012233331 is an apocalyptic number.

13131012233331 is a deficient number, since it is larger than the sum of its proper divisors (5836005437049).

13131012233331 is a wasteful number, since it uses less digits than its factorization.

13131012233331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459001359265 (or 1459001359262 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

Adding to 13131012233331 its reverse (13333221013131), we get a palindrome (26464233246462).

The spelling of 13131012233331 in words is "thirteen trillion, one hundred thirty-one billion, twelve million, two hundred thirty-three thousand, three hundred thirty-one".

Divisors: 1 3 9 1459001359259 4377004077777 13131012233331