312420975 has 12 divisors (see below), whose sum is σ = 516536136. Its totient is φ = 166624480.

The previous prime is 312420949. The next prime is 312421001. The reversal of 312420975 is 579024213.

It is an interprime number because it is at equal distance from previous prime (312420949) and next prime (312421001).

It is not a de Polignac number, because 312420975 - 2¹³ = 312412783 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2082732 + ... + 2082881.

It is an arithmetic number, because the mean of its divisors is an integer number (43044678).

Almost surely, 2^312420975 is an apocalyptic number.

312420975 is a deficient number, since it is larger than the sum of its proper divisors (204115161).

312420975 is a wasteful number, since it uses less digits than its factorization.

312420975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4165626 (or 4165621 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 312420975 is about 17675.4342238034. The cubic root of 312420975 is about 678.5471974991.

The spelling of 312420975 in words is "three hundred twelve million, four hundred twenty thousand, nine hundred seventy-five".