315038340 has 72 divisors (see below), whose sum is σ = 964443480. Its totient is φ = 83234304.

The previous prime is 315038329. The next prime is 315038371. The reversal of 315038340 is 43830513.

It is a happy number.

315038340 is a `hidden beast` number, since 315 + 0 + 3 + 8 + 340 = 666.

315038340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 48108096 + 266930244 = 6936^2 + 16338^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11592 + ... + 27648.

Almost surely, 2^315038340 is an apocalyptic number.

315038340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315038340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (482221740).

315038340 is an abundant number, since it is smaller than the sum of its proper divisors (649405140).

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

315038340 is a wasteful number, since it uses less digits than its factorization.

315038340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16181 (or 16176 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 315038340 is about 17749.3194235723. The cubic root of 315038340 is about 680.4368156492.

Adding to 315038340 its reverse (43830513), we get a palindrome (358868853).

The spelling of 315038340 in words is "three hundred fifteen million, thirty-eight thousand, three hundred forty".