315056442 has 32 divisors (see below), whose sum is σ = 678712320. Its totient is φ = 97176240.

The previous prime is 315056437. The next prime is 315056447. The reversal of 315056442 is 244650513.

It is an interprime number because it is at equal distance from previous prime (315056437) and next prime (315056447).

It is not an unprimeable number, because it can be changed into a prime (315056447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27234 + ... + 37037.

It is an arithmetic number, because the mean of its divisors is an integer number (21209760).

Almost surely, 2^315056442 is an apocalyptic number.

315056442 is an abundant number, since it is smaller than the sum of its proper divisors (363655878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315056442 is a wasteful number, since it uses less digits than its factorization.

315056442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64338.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 315056442 is about 17749.8293512924. The cubic root of 315056442 is about 680.4498479585.

The spelling of 315056442 in words is "three hundred fifteen million, fifty-six thousand, four hundred forty-two".