313104421 has 4 divisors (see below), whose sum is σ = 357833632. Its totient is φ = 268375212.

The previous prime is 313104383. The next prime is 313104427. The reversal of 313104421 is 124401313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 124401313 = 83 ⋅1498811.

It is not a de Polignac number, because 313104421 - 2¹³ = 313096229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313104427) 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, 22364595 + ... + 22364608.

It is an arithmetic number, because the mean of its divisors is an integer number (89458408).

Almost surely, 2^313104421 is an apocalyptic number.

It is an amenable number.

313104421 is a deficient number, since it is larger than the sum of its proper divisors (44729211).

313104421 is an equidigital number, since it uses as much as digits as its factorization.

313104421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44729210.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 313104421 is about 17694.7568788045. The cubic root of 313104421 is about 679.0416293199.

Adding to 313104421 its reverse (124401313), we get a palindrome (437505734).

The spelling of 313104421 in words is "three hundred thirteen million, one hundred four thousand, four hundred twenty-one".