312344513 has 8 divisors (see below), whose sum is σ = 339638208. Its totient is φ = 285517584.

The previous prime is 312344507. The next prime is 312344533. The reversal of 312344513 is 315443213.

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

It is a cyclic number.

It is not a de Polignac number, because 312344513 - 2⁸ = 312344257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312344503) 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, 115295 + ... + 117972.

It is an arithmetic number, because the mean of its divisors is an integer number (42454776).

Almost surely, 2^312344513 is an apocalyptic number.

It is an amenable number.

312344513 is a deficient number, since it is larger than the sum of its proper divisors (27293695).

312344513 is a wasteful number, since it uses less digits than its factorization.

312344513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233383.

The product of its digits is 4320, while the sum is 26.

The square root of 312344513 is about 17673.2711459990. The cubic root of 312344513 is about 678.4918370366.

Adding to 312344513 its reverse (315443213), we get a palindrome (627787726).

The spelling of 312344513 in words is "three hundred twelve million, three hundred forty-four thousand, five hundred thirteen".