313490385 has 32 divisors (see below), whose sum is σ = 600190080. Its totient is φ = 154332864.

The previous prime is 313490311. The next prime is 313490413. The reversal of 313490385 is 583094313.

It is not a de Polignac number, because 313490385 - 2¹⁴ = 313474001 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87559 + ... + 91068.

It is an arithmetic number, because the mean of its divisors is an integer number (18755940).

Almost surely, 2^313490385 is an apocalyptic number.

It is an amenable number.

313490385 is a deficient number, since it is larger than the sum of its proper divisors (286699695).

313490385 is a wasteful number, since it uses less digits than its factorization.

313490385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178654 (or 178648 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 313490385 is about 17705.6596883595. The cubic root of 313490385 is about 679.3205330854.

The spelling of 313490385 in words is "three hundred thirteen million, four hundred ninety thousand, three hundred eighty-five".