312893255 has 4 divisors (see below), whose sum is σ = 375471912. Its totient is φ = 250314600.

The previous prime is 312893249. The next prime is 312893363. The reversal of 312893255 is 552398213.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 312893255 - 2⁴ = 312893239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31289321 + ... + 31289330.

It is an arithmetic number, because the mean of its divisors is an integer number (93867978).

Almost surely, 2^312893255 is an apocalyptic number.

312893255 is a deficient number, since it is larger than the sum of its proper divisors (62578657).

312893255 is an equidigital number, since it uses as much as digits as its factorization.

312893255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62578656.

The product of its digits is 64800, while the sum is 38.

The square root of 312893255 is about 17688.7889636346. The cubic root of 312893255 is about 678.8889403737. Note that the first 3 decimals are identical.

The spelling of 312893255 in words is "three hundred twelve million, eight hundred ninety-three thousand, two hundred fifty-five".