315231420100 has 18 divisors (see below), whose sum is σ = 684052181834. Its totient is φ = 126092568000.

The previous prime is 315231420083. The next prime is 315231420157. The reversal of 315231420100 is 1024132513.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 76563996804 + 238667423296 = 276702^2 + 488536^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1576157001 + ... + 1576157200.

Almost surely, 2^315231420100 is an apocalyptic number.

It is an amenable number.

315231420100 is an abundant number, since it is smaller than the sum of its proper divisors (368820761734).

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

315231420100 is a wasteful number, since it uses less digits than its factorization.

315231420100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3152314215 (or 3152314208 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 315231420100 its reverse (1024132513), we get a palindrome (316255552613).

The spelling of 315231420100 in words is "three hundred fifteen billion, two hundred thirty-one million, four hundred twenty thousand, one hundred".