313516642 has 8 divisors (see below), whose sum is σ = 470947932. Its totient is φ = 156534000.

The previous prime is 313516639. The next prime is 313516673. The reversal of 313516642 is 246615313.

It can be written as a sum of positive squares in 2 ways, for example, as 263120841 + 50395801 = 16221^2 + 7099^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110409 + ... + 113212.

Almost surely, 2^313516642 is an apocalyptic number.

313516642 is a deficient number, since it is larger than the sum of its proper divisors (157431290).

313516642 is a wasteful number, since it uses less digits than its factorization.

313516642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224324.

The product of its digits is 12960, while the sum is 31.

The square root of 313516642 is about 17706.4011589030. The cubic root of 313516642 is about 679.3394984957.

The spelling of 313516642 in words is "three hundred thirteen million, five hundred sixteen thousand, six hundred forty-two".