315011320 has 64 divisors (see below), whose sum is σ = 775887840. Its totient is φ = 114393600.

The previous prime is 315011299. The next prime is 315011327. The reversal of 315011320 is 23110513.

It is a junction number, because it is equal to n+sod(n) for n = 315011294 and 315011303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315011327) 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, 26755 + ... + 36685.

Almost surely, 2^315011320 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 315011320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387943920).

315011320 is an abundant number, since it is smaller than the sum of its proper divisors (460876520).

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

315011320 is a wasteful number, since it uses less digits than its factorization.

315011320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10016 (or 10012 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 315011320 is about 17748.5582513059. The cubic root of 315011320 is about 680.4173620080.

Adding to 315011320 its reverse (23110513), we get a palindrome (338121833).

The spelling of 315011320 in words is "three hundred fifteen million, eleven thousand, three hundred twenty".