2313031031 has 4 divisors (see below), whose sum is σ = 2369446464. Its totient is φ = 2256615600.

The previous prime is 2313030991. The next prime is 2313031043. The reversal of 2313031031 is 1301303132.

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

It is a cyclic number.

It is not a de Polignac number, because 2313031031 - 2¹⁰ = 2313030007 is a prime.

It is a super-2 number, since 2×2313031031² = 10700225100737845922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313031051) 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, 28207655 + ... + 28207736.

It is an arithmetic number, because the mean of its divisors is an integer number (592361616).

Almost surely, 2^2313031031 is an apocalyptic number.

2313031031 is a deficient number, since it is larger than the sum of its proper divisors (56415433).

2313031031 is an equidigital number, since it uses as much as digits as its factorization.

2313031031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56415432.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 2313031031 is about 48093.9812346618. The cubic root of 2313031031 is about 1322.4943330196.

Adding to 2313031031 its reverse (1301303132), we get a palindrome (3614334163).

The spelling of 2313031031 in words is "two billion, three hundred thirteen million, thirty-one thousand, thirty-one".