310112132220031 has 4 divisors (see below), whose sum is σ = 310117222846000. Its totient is φ = 310107041594064.

The previous prime is 310112132220019. The next prime is 310112132220041. The reversal of 310112132220031 is 130022231211013.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-310112132220031 is a prime.

It is a super-2 number, since 2×310112132220031² (a number of 30 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 = 310112132219984 and 310112132220011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310112132220001) 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, 2545221606 + ... + 2545343443.

It is an arithmetic number, because the mean of its divisors is an integer number (77529305711500).

Almost surely, 2^{310112132220031} is an apocalyptic number.

310112132220031 is a deficient number, since it is larger than the sum of its proper divisors (5090625969).

310112132220031 is an equidigital number, since it uses as much as digits as its factorization.

310112132220031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5090625968.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 310112132220031 its reverse (130022231211013), we get a palindrome (440134363431044).

The spelling of 310112132220031 in words is "three hundred ten trillion, one hundred twelve billion, one hundred thirty-two million, two hundred twenty thousand, thirty-one".