315385340 has 24 divisors (see below), whose sum is σ = 662643072. Its totient is φ = 126090560.

The previous prime is 315385303. The next prime is 315385363. The reversal of 315385340 is 43583513.

315385340 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

315385340 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 315385297 and 315385306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74357 + ... + 78483.

It is an arithmetic number, because the mean of its divisors is an integer number (27610128).

Almost surely, 2^315385340 is an apocalyptic number.

It is an amenable number.

315385340 is an abundant number, since it is smaller than the sum of its proper divisors (347257732).

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

315385340 is a wasteful number, since it uses less digits than its factorization.

315385340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7957 (or 7955 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 315385340 is about 17759.0917560555. The cubic root of 315385340 is about 680.6865470939.

The spelling of 315385340 in words is "three hundred fifteen million, three hundred eighty-five thousand, three hundred forty".