315157407 has 16 divisors (see below), whose sum is σ = 447052032. Its totient is φ = 196801920.

The previous prime is 315157397. The next prime is 315157411. The reversal of 315157407 is 704751513.

It is not a de Polignac number, because 315157407 - 2⁶ = 315157343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315157417) 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, 3883 + ... + 25404.

It is an arithmetic number, because the mean of its divisors is an integer number (27940752).

Almost surely, 2^315157407 is an apocalyptic number.

315157407 is a deficient number, since it is larger than the sum of its proper divisors (131894625).

315157407 is a wasteful number, since it uses less digits than its factorization.

315157407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29518.

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 315157407 is about 17752.6732353187. The cubic root of 315157407 is about 680.5225272970.

The spelling of 315157407 in words is "three hundred fifteen million, one hundred fifty-seven thousand, four hundred seven".