315303420 has 48 divisors (see below), whose sum is σ = 934784928. Its totient is φ = 79134720.

The previous prime is 315303383. The next prime is 315303421. The reversal of 315303420 is 24303513.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315303421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153541 + ... + 155580.

It is an arithmetic number, because the mean of its divisors is an integer number (19474686).

Almost surely, 2^315303420 is an apocalyptic number.

315303420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

315303420 is an abundant number, since it is smaller than the sum of its proper divisors (619481508).

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

315303420 is a wasteful number, since it uses less digits than its factorization.

315303420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309150 (or 309148 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 315303420 is about 17756.7851820086. The cubic root of 315303420 is about 680.6276068458.

Adding to 315303420 its reverse (24303513), we get a palindrome (339606933).

The spelling of 315303420 in words is "three hundred fifteen million, three hundred three thousand, four hundred twenty".