315450331 has 16 divisors (see below), whose sum is σ = 380620800. Its totient is φ = 255391488.

The previous prime is 315450307. The next prime is 315450349. The reversal of 315450331 is 133054513.

It is a cyclic number.

It is not a de Polignac number, because 315450331 - 2⁵ = 315450299 is a prime.

It is a super-2 number, since 2×315450331² = 199017822656019122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 315450296 and 315450305.

It is not an unprimeable number, because it can be changed into a prime (315450431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43590 + ... + 50308.

It is an arithmetic number, because the mean of its divisors is an integer number (23788800).

Almost surely, 2^315450331 is an apocalyptic number.

315450331 is a deficient number, since it is larger than the sum of its proper divisors (65170469).

315450331 is a wasteful number, since it uses less digits than its factorization.

315450331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7098.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 315450331 is about 17760.9214569515. The cubic root of 315450331 is about 680.7332999128.

The spelling of 315450331 in words is "three hundred fifteen million, four hundred fifty thousand, three hundred thirty-one".