313214820 has 24 divisors (see below), whose sum is σ = 877001664. Its totient is φ = 83523936.

The previous prime is 313214813. The next prime is 313214821. The reversal of 313214820 is 28412313.

It is not an unprimeable number, because it can be changed into a prime (313214821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2610064 + ... + 2610183.

It is an arithmetic number, because the mean of its divisors is an integer number (36541736).

Almost surely, 2^313214820 is an apocalyptic number.

313214820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

313214820 is an abundant number, since it is smaller than the sum of its proper divisors (563786844).

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

313214820 is a wasteful number, since it uses less digits than its factorization.

313214820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5220259 (or 5220257 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 313214820 is about 17697.8761437637. The cubic root of 313214820 is about 679.1214287975.

The spelling of 313214820 in words is "three hundred thirteen million, two hundred fourteen thousand, eight hundred twenty".