315297685290 has 64 divisors (see below), whose sum is σ = 881133831936. Its totient is φ = 70708265472.

The previous prime is 315297685279. The next prime is 315297685363. The reversal of 315297685290 is 92586792513.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 315297685290.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14153187 + ... + 14175446.

It is an arithmetic number, because the mean of its divisors is an integer number (13767716124).

Almost surely, 2^315297685290 is an apocalyptic number.

315297685290 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

315297685290 is an abundant number, since it is smaller than the sum of its proper divisors (565836146646).

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

315297685290 is a wasteful number, since it uses less digits than its factorization.

315297685290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28328703.

The product of its (nonzero) digits is 8164800, while the sum is 57.

The spelling of 315297685290 in words is "three hundred fifteen billion, two hundred ninety-seven million, six hundred eighty-five thousand, two hundred ninety".