312546645213 has 8 divisors (see below), whose sum is σ = 454613302176. Its totient is φ = 189422209200.

The previous prime is 312546645197. The next prime is 312546645217.

312546645213 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 312546645213 - 2⁴ = 312546645197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312546645217) 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, 4735555198 + ... + 4735555263.

It is an arithmetic number, because the mean of its divisors is an integer number (56826662772).

Almost surely, 2^312546645213 is an apocalyptic number.

312546645213 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

312546645213 is a deficient number, since it is larger than the sum of its proper divisors (142066656963).

312546645213 is a wasteful number, since it uses less digits than its factorization.

312546645213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9471110475.

The product of its digits is 518400, while the sum is 42.

It can be divided in two parts, 312546 and 645213, that added together give a palindrome (957759).

The spelling of 312546645213 in words is "three hundred twelve billion, five hundred forty-six million, six hundred forty-five thousand, two hundred thirteen".