315033020120 has 128 divisors (see below), whose sum is σ = 874390809600. Its totient is φ = 99475140096.

The previous prime is 315033020119. The next prime is 315033020143. The reversal of 315033020120 is 21020330513.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 315033020092 and 315033020101.

It is a congruent number.

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, 1499387 + ... + 1696533.

It is an arithmetic number, because the mean of its divisors is an integer number (6831178200).

Almost surely, 2^315033020120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315033020120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (437195404800).

315033020120 is an abundant number, since it is smaller than the sum of its proper divisors (559357789480).

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

315033020120 is a wasteful number, since it uses less digits than its factorization.

315033020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197617 (or 197613 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

Adding to 315033020120 its reverse (21020330513), we get a palindrome (336053350633).

The spelling of 315033020120 in words is "three hundred fifteen billion, thirty-three million, twenty thousand, one hundred twenty".