313250450 has 18 divisors (see below), whose sum is σ = 582878709. Its totient is φ = 125250120.

The previous prime is 313250447. The next prime is 313250459. The reversal of 313250450 is 54052313.

It can be written as a sum of positive squares in 2 ways, for example, as 306985441 + 6265009 = 17521^2 + 2503^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=12515.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313250459) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 123899 + ... + 126401.

Almost surely, 2^313250450 is an apocalyptic number.

313250450 is a deficient number, since it is larger than the sum of its proper divisors (269628259).

313250450 is an frugal number, since it uses more digits than its factorization.

313250450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5018 (or 2510 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 313250450 is about 17698.8827330993. The cubic root of 313250450 is about 679.1471791532.

Multiplying 313250450 by its product of nonzero digits (1800), we get a square (563850810000 = 750900²).

The spelling of 313250450 in words is "three hundred thirteen million, two hundred fifty thousand, four hundred fifty".