315105340 has 24 divisors (see below), whose sum is σ = 721878192. Its totient is φ = 114583680.

The previous prime is 315105337. The next prime is 315105341. The reversal of 315105340 is 43501513.

It is a happy number.

315105340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315105341) 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, 715929 + ... + 716368.

It is an arithmetic number, because the mean of its divisors is an integer number (30078258).

Almost surely, 2^315105340 is an apocalyptic number.

It is an amenable number.

315105340 is an abundant number, since it is smaller than the sum of its proper divisors (406772852).

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

315105340 is a wasteful number, since it uses less digits than its factorization.

315105340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432317 (or 1432315 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 315105340 is about 17751.2067195444. The cubic root of 315105340 is about 680.4850489691.

Adding to 315105340 its reverse (43501513), we get a palindrome (358606853).

The spelling of 315105340 in words is "three hundred fifteen million, one hundred five thousand, three hundred forty".