102310111031 has 16 divisors (see below), whose sum is σ = 109054771200. Its totient is φ = 95757771648.

The previous prime is 102310111003. The next prime is 102310111049. The reversal of 102310111031 is 130111013201.

It is a happy number.

It is not a de Polignac number, because 102310111031 - 2¹⁴ = 102310094647 is a prime.

It is a super-2 number, since 2×102310111031² (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 = 102310110997 and 102310111015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102310111051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6563615 + ... + 6579183.

It is an arithmetic number, because the mean of its divisors is an integer number (6815923200).

Almost surely, 2^102310111031 is an apocalyptic number.

102310111031 is a deficient number, since it is larger than the sum of its proper divisors (6744660169).

102310111031 is a wasteful number, since it uses less digits than its factorization.

102310111031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21718.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 102310111031 its reverse (130111013201), we get a palindrome (232421124232).

The spelling of 102310111031 in words is "one hundred two billion, three hundred ten million, one hundred eleven thousand, thirty-one".