313555401 has 16 divisors (see below), whose sum is σ = 466251520. Its totient is φ = 208260720.

The previous prime is 313555399. The next prime is 313555493. The reversal of 313555401 is 104555313.

It is not a de Polignac number, because 313555401 - 2¹ = 313555399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313555201) 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, 14110 + ... + 28743.

It is an arithmetic number, because the mean of its divisors is an integer number (29140720).

Almost surely, 2^313555401 is an apocalyptic number.

It is an amenable number.

313555401 is a deficient number, since it is larger than the sum of its proper divisors (152696119).

313555401 is a wasteful number, since it uses less digits than its factorization.

313555401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43133 (or 43127 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 313555401 is about 17707.4956162638. The cubic root of 313555401 is about 679.3674921555.

The spelling of 313555401 in words is "three hundred thirteen million, five hundred fifty-five thousand, four hundred one".