315305332 has 6 divisors (see below), whose sum is σ = 551784338. Its totient is φ = 157652664.

The previous prime is 315305327. The next prime is 315305357. The reversal of 315305332 is 233503513.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 239197156 + 76108176 = 15466^2 + 8724^2 .

It is a junction number, because it is equal to n+sod(n) for n = 315305297 and 315305306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39413163 + ... + 39413170.

Almost surely, 2^315305332 is an apocalyptic number.

It is an amenable number.

315305332 is a deficient number, since it is larger than the sum of its proper divisors (236479006).

315305332 is a wasteful number, since it uses less digits than its factorization.

315305332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78826337 (or 78826335 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 25.

The square root of 315305332 is about 17756.8390205014. The cubic root of 315305332 is about 680.6289826183.

Adding to 315305332 its reverse (233503513), we get a palindrome (548808845).

The spelling of 315305332 in words is "three hundred fifteen million, three hundred five thousand, three hundred thirty-two".