313943914 has 4 divisors (see below), whose sum is σ = 470915874. Its totient is φ = 156971956.

The previous prime is 313943909. The next prime is 313943921. The reversal of 313943914 is 419349313.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 211266225 + 102677689 = 14535^2 + 10133^2 .

It is a super-2 number, since 2×313943914² = 197121562275278792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78485977 + ... + 78485980.

Almost surely, 2^313943914 is an apocalyptic number.

313943914 is a deficient number, since it is larger than the sum of its proper divisors (156971960).

313943914 is a wasteful number, since it uses less digits than its factorization.

313943914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156971959.

The product of its digits is 34992, while the sum is 37.

The square root of 313943914 is about 17718.4625179500. The cubic root of 313943914 is about 679.6479680173.

The spelling of 313943914 in words is "three hundred thirteen million, nine hundred forty-three thousand, nine hundred fourteen".