102310012031 has 2 divisors, whose sum is σ = 102310012032. Its totient is φ = 102310012030.

The previous prime is 102310012003. The next prime is 102310012061. The reversal of 102310012031 is 130210013201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102310012031 is a prime.

It is a super-2 number, since 2×102310012031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102310011997 and 102310012015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102310012061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51155006015 + 51155006016.

It is an arithmetic number, because the mean of its divisors is an integer number (51155006016).

Almost surely, 2^102310012031 is an apocalyptic number.

102310012031 is a deficient number, since it is larger than the sum of its proper divisors (1).

102310012031 is an equidigital number, since it uses as much as digits as its factorization.

102310012031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 102310012031 its reverse (130210013201), we get a palindrome (232520025232).

The spelling of 102310012031 in words is "one hundred two billion, three hundred ten million, twelve thousand, thirty-one".