2312320031 has 8 divisors (see below), whose sum is σ = 2657416320. Its totient is φ = 1970914968.

The previous prime is 2312319983. The next prime is 2312320037. The reversal of 2312320031 is 1300232132.

2312320031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2312320031 is a prime.

It is a super-2 number, since 2×2312320031² = 10693647851527681922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2312319991 and 2312320009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312320037) 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, 921461 + ... + 923966.

It is an arithmetic number, because the mean of its divisors is an integer number (332177040).

Almost surely, 2^2312320031 is an apocalyptic number.

2312320031 is a deficient number, since it is larger than the sum of its proper divisors (345096289).

2312320031 is a wasteful number, since it uses less digits than its factorization.

2312320031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845613.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2312320031 is about 48086.5888892111. The cubic root of 2312320031 is about 1322.3588124523.

Adding to 2312320031 its reverse (1300232132), we get a palindrome (3612552163).

The spelling of 2312320031 in words is "two billion, three hundred twelve million, three hundred twenty thousand, thirty-one".