313919814 has 32 divisors (see below), whose sum is σ = 676811520. Its totient is φ = 96494112.

The previous prime is 313919797. The next prime is 313919819. The reversal of 313919814 is 418919313.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313919819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142977 + ... + 145155.

It is an arithmetic number, because the mean of its divisors is an integer number (21150360).

Almost surely, 2^313919814 is an apocalyptic number.

313919814 is an abundant number, since it is smaller than the sum of its proper divisors (362891706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313919814 is a wasteful number, since it uses less digits than its factorization.

313919814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4044.

The product of its digits is 23328, while the sum is 39.

The square root of 313919814 is about 17717.7824233170. The cubic root of 313919814 is about 679.6305764446.

The spelling of 313919814 in words is "three hundred thirteen million, nine hundred nineteen thousand, eight hundred fourteen".