312380457 has 32 divisors (see below), whose sum is σ = 466145280. Its totient is φ = 185053440.

The previous prime is 312380447. The next prime is 312380461. The reversal of 312380457 is 754083213.

It is not a de Polignac number, because 312380457 - 2¹⁰ = 312379433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312380417) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 90982 + ... + 94352.

It is an arithmetic number, because the mean of its divisors is an integer number (14567040).

Almost surely, 2^312380457 is an apocalyptic number.

It is an amenable number.

312380457 is a deficient number, since it is larger than the sum of its proper divisors (153764823).

312380457 is a wasteful number, since it uses less digits than its factorization.

312380457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3493.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 312380457 is about 17674.2880196063. The cubic root of 312380457 is about 678.5178625459.

The spelling of 312380457 in words is "three hundred twelve million, three hundred eighty thousand, four hundred fifty-seven".