310112100031 has 4 divisors (see below), whose sum is σ = 310135045752. Its totient is φ = 310089154312.

The previous prime is 310112100019. The next prime is 310112100071. The reversal of 310112100031 is 130001211013.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130001211013 = 137 ⋅948913949.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-310112100031 is a prime.

It is a super-2 number, since 2×310112100031² (a number of 24 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 = 310112099984 and 310112100020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310112100071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11452576 + ... + 11479621.

It is an arithmetic number, because the mean of its divisors is an integer number (77533761438).

Almost surely, 2^310112100031 is an apocalyptic number.

310112100031 is a deficient number, since it is larger than the sum of its proper divisors (22945721).

310112100031 is a wasteful number, since it uses less digits than its factorization.

310112100031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22945720.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 310112100031 its reverse (130001211013), we get a palindrome (440113311044).

The spelling of 310112100031 in words is "three hundred ten billion, one hundred twelve million, one hundred thousand, thirty-one".