315434220 has 48 divisors (see below), whose sum is σ = 884284128. Its totient is φ = 84014080.

The previous prime is 315434159. The next prime is 315434261. The reversal of 315434220 is 22434513.

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, 55930 + ... + 61310.

It is an arithmetic number, because the mean of its divisors is an integer number (18422586).

Almost surely, 2^315434220 is an apocalyptic number.

315434220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

315434220 is an abundant number, since it is smaller than the sum of its proper divisors (568849908).

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

315434220 is a wasteful number, since it uses less digits than its factorization.

315434220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6370 (or 6368 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 315434220 is about 17760.4678992418. The cubic root of 315434220 is about 680.7217106811.

Adding to 315434220 its reverse (22434513), we get a palindrome (337868733).

The spelling of 315434220 in words is "three hundred fifteen million, four hundred thirty-four thousand, two hundred twenty".