313216318 has 8 divisors (see below), whose sum is σ = 470472912. Its totient is φ = 156392016.

The previous prime is 313216307. The next prime is 313216339. The reversal of 313216318 is 813612313.

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

It is a super-2 number, since 2×313216318² = 196208923722954248, which contains 22 as substring.

It is a congruent number.

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, 106255 + ... + 109162.

It is an arithmetic number, because the mean of its divisors is an integer number (58809114).

Almost surely, 2^313216318 is an apocalyptic number.

313216318 is a deficient number, since it is larger than the sum of its proper divisors (157256594).

313216318 is a wasteful number, since it uses less digits than its factorization.

313216318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216146.

The product of its digits is 2592, while the sum is 28.

The square root of 313216318 is about 17697.9184651755. The cubic root of 313216318 is about 679.1225114648.

The spelling of 313216318 in words is "three hundred thirteen million, two hundred sixteen thousand, three hundred eighteen".