313403402 has 12 divisors (see below), whose sum is σ = 509049270. Its totient is φ = 144647568.

The previous prime is 313403399. The next prime is 313403501. The reversal of 313403402 is 204304313.

It can be written as a sum of positive squares in 3 ways, for example, as 145467721 + 167935681 = 12061^2 + 12959^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 463277 + ... + 463952.

Almost surely, 2^313403402 is an apocalyptic number.

313403402 is a deficient number, since it is larger than the sum of its proper divisors (195645868).

313403402 is a wasteful number, since it uses less digits than its factorization.

313403402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927257 (or 927244 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 313403402 is about 17703.2031564912. The cubic root of 313403402 is about 679.2576977677.

Adding to 313403402 its reverse (204304313), we get a palindrome (517707715).

The spelling of 313403402 in words is "three hundred thirteen million, four hundred three thousand, four hundred two".