313328506 has 36 divisors (see below), whose sum is σ = 511407918. Its totient is φ = 143951904.

The previous prime is 313328497. The next prime is 313328507. The reversal of 313328506 is 605823313.

It can be written as a sum of positive squares in 3 ways, for example, as 299601481 + 13727025 = 17309^2 + 3705^2 .

It is not an unprimeable number, because it can be changed into a prime (313328507) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 988260 + ... + 988576.

Almost surely, 2^313328506 is an apocalyptic number.

313328506 is a deficient number, since it is larger than the sum of its proper divisors (198079412).

313328506 is a wasteful number, since it uses less digits than its factorization.

313328506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 313328506 is about 17701.0877066919. The cubic root of 313328506 is about 679.2035846159.

The spelling of 313328506 in words is "three hundred thirteen million, three hundred twenty-eight thousand, five hundred six".