313550420 has 12 divisors (see below), whose sum is σ = 658455924. Its totient is φ = 125420160.

The previous prime is 313550417. The next prime is 313550423. The reversal of 313550420 is 24055313.

It is an interprime number because it is at equal distance from previous prime (313550417) and next prime (313550423).

It can be written as a sum of positive squares in 2 ways, for example, as 34058896 + 279491524 = 5836^2 + 16718^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313550423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7838741 + ... + 7838780.

It is an arithmetic number, because the mean of its divisors is an integer number (54871327).

Almost surely, 2^313550420 is an apocalyptic number.

It is an amenable number.

313550420 is an abundant number, since it is smaller than the sum of its proper divisors (344905504).

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

313550420 is a wasteful number, since it uses less digits than its factorization.

313550420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15677530 (or 15677528 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 313550420 is about 17707.3549690517. The cubic root of 313550420 is about 679.3638947610.

The spelling of 313550420 in words is "three hundred thirteen million, five hundred fifty thousand, four hundred twenty".