315052420 has 24 divisors (see below), whose sum is σ = 663622848. Its totient is φ = 125637600.

The previous prime is 315052391. The next prime is 315052427. The reversal of 315052420 is 24250513.

It is a junction number, because it is equal to n+sod(n) for n = 315052391 and 315052400.

It is not an unprimeable number, because it can be changed into a prime (315052427) 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, 17176 + ... + 30415.

It is an arithmetic number, because the mean of its divisors is an integer number (27650952).

Almost surely, 2^315052420 is an apocalyptic number.

It is an amenable number.

315052420 is an abundant number, since it is smaller than the sum of its proper divisors (348570428).

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

315052420 is a wasteful number, since it uses less digits than its factorization.

315052420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47931 (or 47929 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 315052420 is about 17749.7160540669. The cubic root of 315052420 is about 680.4469524129.

The spelling of 315052420 in words is "three hundred fifteen million, fifty-two thousand, four hundred twenty".