102431113031 has 8 divisors (see below), whose sum is σ = 110601491280. Its totient is φ = 94302315072.

The previous prime is 102431113027. The next prime is 102431113067. The reversal of 102431113031 is 130311134201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102431113031 - 2² = 102431113027 is a prime.

It is a super-2 number, since 2×102431113031² (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 = 102431112994 and 102431113012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102431113091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10389950 + ... + 10399803.

It is an arithmetic number, because the mean of its divisors is an integer number (13825186410).

Almost surely, 2^102431113031 is an apocalyptic number.

102431113031 is a deficient number, since it is larger than the sum of its proper divisors (8170378249).

102431113031 is a wasteful number, since it uses less digits than its factorization.

102431113031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20790145.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 102431113031 its reverse (130311134201), we get a palindrome (232742247232).

The spelling of 102431113031 in words is "one hundred two billion, four hundred thirty-one million, one hundred thirteen thousand, thirty-one".