312497272 has 16 divisors (see below), whose sum is σ = 606137400. Its totient is φ = 150860640.

The previous prime is 312497261. The next prime is 312497287. The reversal of 312497272 is 272794213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 673254 + ... + 673717.

Almost surely, 2^312497272 is an apocalyptic number.

It is an amenable number.

312497272 is a deficient number, since it is larger than the sum of its proper divisors (293640128).

312497272 is a wasteful number, since it uses less digits than its factorization.

312497272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347006 (or 1347002 counting only the distinct ones).

The product of its digits is 42336, while the sum is 37.

The square root of 312497272 is about 17677.5923700033. The cubic root of 312497272 is about 678.6024294946.

The spelling of 312497272 in words is "three hundred twelve million, four hundred ninety-seven thousand, two hundred seventy-two".