315326340 has 72 divisors (see below), whose sum is σ = 1093135680. Its totient is φ = 72074304.

The previous prime is 315326317. The next prime is 315326351. The reversal of 315326340 is 43623513.

It is a happy number.

315326340 is a `hidden beast` number, since 31 + 532 + 63 + 40 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123870 + ... + 126389.

It is an arithmetic number, because the mean of its divisors is an integer number (15182440).

Almost surely, 2^315326340 is an apocalyptic number.

315326340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

315326340 is an abundant number, since it is smaller than the sum of its proper divisors (777809340).

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

315326340 is a wasteful number, since it uses less digits than its factorization.

315326340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250281 (or 250276 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 315326340 is about 17757.4305573751. The cubic root of 315326340 is about 680.6440984808.

Adding to 315326340 its reverse (43623513), we get a palindrome (358949853).

The spelling of 315326340 in words is "three hundred fifteen million, three hundred twenty-six thousand, three hundred forty".