312023320213 has 16 divisors (see below), whose sum is σ = 346275268416. Its totient is φ = 278787824640.

The previous prime is 312023320187. The next prime is 312023320237.

312023320213 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 312023320213 - 2¹³ = 312023312021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312023320243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 709170 + ... + 1061587.

It is an arithmetic number, because the mean of its divisors is an integer number (21642204276).

Almost surely, 2^312023320213 is an apocalyptic number.

It is an amenable number.

312023320213 is a deficient number, since it is larger than the sum of its proper divisors (34251948203).

312023320213 is a wasteful number, since it uses less digits than its factorization.

312023320213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771044.

The product of its (nonzero) digits is 1296, while the sum is 22.

It can be divided in two parts, 312023 and 320213, that added together give a palindrome (632236).

The spelling of 312023320213 in words is "three hundred twelve billion, twenty-three million, three hundred twenty thousand, two hundred thirteen".