312641512 has 16 divisors (see below), whose sum is σ = 586404900. Its totient is φ = 156266880.

The previous prime is 312641501. The next prime is 312641533. The reversal of 312641512 is 215146213.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 182088036 + 130553476 = 13494^2 + 11426^2 .

It is a super-2 number, since 2×312641512² = 195489430051292288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29212 + ... + 38452.

Almost surely, 2^312641512 is an apocalyptic number.

It is an amenable number.

312641512 is a deficient number, since it is larger than the sum of its proper divisors (273763388).

312641512 is a wasteful number, since it uses less digits than its factorization.

312641512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13476 (or 13472 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 312641512 is about 17681.6716404304. The cubic root of 312641512 is about 678.7068214017.

Adding to 312641512 its reverse (215146213), we get a palindrome (527787725).

The spelling of 312641512 in words is "three hundred twelve million, six hundred forty-one thousand, five hundred twelve".