315232040512 has 28 divisors (see below), whose sum is σ = 631732044636. Its totient is φ = 156055462400.

The previous prime is 315232040491. The next prime is 315232040561. The reversal of 315232040512 is 215040232513.

It can be written as a sum of positive squares in 2 ways, for example, as 308886962176 + 6345078336 = 555776^2 + 79656^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24377203 + ... + 24390130.

It is an arithmetic number, because the mean of its divisors is an integer number (22561858737).

Almost surely, 2^315232040512 is an apocalyptic number.

315232040512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

315232040512 is an abundant number, since it is smaller than the sum of its proper divisors (316500004124).

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

315232040512 is a wasteful number, since it uses less digits than its factorization.

315232040512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48767446 (or 48767436 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 315232040512 in words is "three hundred fifteen billion, two hundred thirty-two million, forty thousand, five hundred twelve".