31310010023 has 4 divisors (see below), whose sum is σ = 31363349640. Its totient is φ = 31256670408.

The previous prime is 31310010007. The next prime is 31310010077. The reversal of 31310010023 is 32001001313.

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 31310010023 - 2⁴ = 31310010007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31310010223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26668928 + ... + 26670101.

It is an arithmetic number, because the mean of its divisors is an integer number (7840837410).

Almost surely, 2^31310010023 is an apocalyptic number.

31310010023 is a deficient number, since it is larger than the sum of its proper divisors (53339617).

31310010023 is an equidigital number, since it uses as much as digits as its factorization.

31310010023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53339616.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 31310010023 its reverse (32001001313), we get a palindrome (63311011336).

The spelling of 31310010023 in words is "thirty-one billion, three hundred ten million, ten thousand, twenty-three".