131000103210402 has 24 divisors (see below), whose sum is σ = 283869363188736. Its totient is φ = 43661192418936.

The previous prime is 131000103210377. The next prime is 131000103210421. The reversal of 131000103210402 is 204012301000131.

131000103210402 is a `hidden beast` number, since 1 + 310 + 0 + 0 + 103 + 210 + 40 + 2 = 666.

It is a super-2 number, since 2×131000103210402² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 458907618 + ... + 459192989.

It is an arithmetic number, because the mean of its divisors is an integer number (11827890132864).

Almost surely, 2^{131000103210402} is an apocalyptic number.

131000103210402 is an abundant number, since it is smaller than the sum of its proper divisors (152869259978334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131000103210402 is a wasteful number, since it uses less digits than its factorization.

131000103210402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918108542 (or 918108539 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 131000103210402 its reverse (204012301000131), we get a palindrome (335012404210533).

The spelling of 131000103210402 in words is "one hundred thirty-one trillion, one hundred three million, two hundred ten thousand, four hundred two".