315142980 has 48 divisors (see below), whose sum is σ = 890514240. Its totient is φ = 83265408.

The previous prime is 315142973. The next prime is 315143011. The reversal of 315142980 is 89241513.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17554 + ... + 30633.

It is an arithmetic number, because the mean of its divisors is an integer number (18552380).

Almost surely, 2^315142980 is an apocalyptic number.

315142980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

315142980 is an abundant number, since it is smaller than the sum of its proper divisors (575371260).

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

315142980 is a wasteful number, since it uses less digits than its factorization.

315142980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48308 (or 48306 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 315142980 is about 17752.2668974979. The cubic root of 315142980 is about 680.5121430169.

The spelling of 315142980 in words is "three hundred fifteen million, one hundred forty-two thousand, nine hundred eighty".