315015340 has 24 divisors (see below), whose sum is σ = 662184432. Its totient is φ = 125881920.

The previous prime is 315015329. The next prime is 315015343. The reversal of 315015340 is 43510513.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (315015343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14602 + ... + 29038.

It is an arithmetic number, because the mean of its divisors is an integer number (27591018).

Almost surely, 2^315015340 is an apocalyptic number.

It is an amenable number.

315015340 is an abundant number, since it is smaller than the sum of its proper divisors (347169092).

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

315015340 is a wasteful number, since it uses less digits than its factorization.

315015340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15537 (or 15535 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 315015340 is about 17748.6714995799. The cubic root of 315015340 is about 680.4202563656.

Adding to 315015340 its reverse (43510513), we get a palindrome (358525853).

The spelling of 315015340 in words is "three hundred fifteen million, fifteen thousand, three hundred forty".