312495213 has 16 divisors (see below), whose sum is σ = 434145600. Its totient is φ = 199691520.

The previous prime is 312495203. The next prime is 312495217. The reversal of 312495213 is 312594213.

It is not a de Polignac number, because 312495213 - 2¹² = 312491117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312495217) 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, 828 + ... + 25013.

It is an arithmetic number, because the mean of its divisors is an integer number (27134100).

Almost surely, 2^312495213 is an apocalyptic number.

It is an amenable number.

312495213 is a deficient number, since it is larger than the sum of its proper divisors (121650387).

312495213 is a wasteful number, since it uses less digits than its factorization.

312495213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26012.

The product of its digits is 6480, while the sum is 30.

The square root of 312495213 is about 17677.5341323387. The cubic root of 312495213 is about 678.6009390865.

The spelling of 312495213 in words is "three hundred twelve million, four hundred ninety-five thousand, two hundred thirteen".