312052531 has 12 divisors (see below), whose sum is σ = 364853808. Its totient is φ = 266107632.

The previous prime is 312052519. The next prime is 312052537. The reversal of 312052531 is 135250213.

It is not a de Polignac number, because 312052531 - 2²⁷ = 177834803 is a prime.

It is a super-2 number, since 2×312052531² = 194753564207011922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312052537) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6511 + ... + 25816.

It is an arithmetic number, because the mean of its divisors is an integer number (30404484).

Almost surely, 2^312052531 is an apocalyptic number.

312052531 is a deficient number, since it is larger than the sum of its proper divisors (52801277).

312052531 is a wasteful number, since it uses less digits than its factorization.

312052531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32538 (or 32531 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 312052531 is about 17665.0086611923. The cubic root of 312052531 is about 678.2803513659.

The spelling of 312052531 in words is "three hundred twelve million, fifty-two thousand, five hundred thirty-one".