315288751920 has 40 divisors (see below), whose sum is σ = 977395131696. Its totient is φ = 84077000448.

The previous prime is 315288751901. The next prime is 315288751963. The reversal of 315288751920 is 29157882513.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 656851327 + ... + 656851806.

Almost surely, 2^315288751920 is an apocalyptic number.

315288751920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

315288751920 is an abundant number, since it is smaller than the sum of its proper divisors (662106379776).

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

315288751920 is a wasteful number, since it uses less digits than its factorization.

315288751920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313703149 (or 1313703143 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 51.

The spelling of 315288751920 in words is "three hundred fifteen billion, two hundred eighty-eight million, seven hundred fifty-one thousand, nine hundred twenty".