313437990 has 32 divisors (see below), whose sum is σ = 752716800. Its totient is φ = 83531744.

The previous prime is 313437977. The next prime is 313437991. The reversal of 313437990 is 99734313.

313437990 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313437991) 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, 93361 + ... + 96659.

It is an arithmetic number, because the mean of its divisors is an integer number (23522400).

Almost surely, 2^313437990 is an apocalyptic number.

313437990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

313437990 is an abundant number, since it is smaller than the sum of its proper divisors (439278810).

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

313437990 is a wasteful number, since it uses less digits than its factorization.

313437990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6476.

The product of its (nonzero) digits is 61236, while the sum is 39.

The square root of 313437990 is about 17704.1800149004. The cubic root of 313437990 is about 679.2826850533.

The spelling of 313437990 in words is "three hundred thirteen million, four hundred thirty-seven thousand, nine hundred ninety".