102131022031 has 12 divisors (see below), whose sum is σ = 108520692280. Its totient is φ = 95851242000.

The previous prime is 102131022011. The next prime is 102131022047. The reversal of 102131022031 is 130220131201.

It is not a de Polignac number, because 102131022031 - 2³⁵ = 67771283663 is a prime.

It is a super-2 number, since 2×102131022031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102131021996 and 102131022014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102131022011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17220 + ... + 452281.

Almost surely, 2^102131022031 is an apocalyptic number.

102131022031 is a deficient number, since it is larger than the sum of its proper divisors (6389670249).

102131022031 is an equidigital number, since it uses as much as digits as its factorization.

102131022031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469734 (or 469627 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 102131022031 its reverse (130220131201), we get a palindrome (232351153232).

The spelling of 102131022031 in words is "one hundred two billion, one hundred thirty-one million, twenty-two thousand, thirty-one".