315033989 has 8 divisors (see below), whose sum is σ = 326592000. Its totient is φ = 303522352.

The previous prime is 315033959. The next prime is 315033991. The reversal of 315033989 is 989330513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-315033989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315033959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2552 + ... + 25230.

It is an arithmetic number, because the mean of its divisors is an integer number (40824000).

Almost surely, 2^315033989 is an apocalyptic number.

It is an amenable number.

315033989 is a deficient number, since it is larger than the sum of its proper divisors (11558011).

315033989 is a wasteful number, since it uses less digits than its factorization.

315033989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23187.

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 315033989 is about 17749.1968550692. The cubic root of 315033989 is about 680.4336831265.

The spelling of 315033989 in words is "three hundred fifteen million, thirty-three thousand, nine hundred eighty-nine".