313134321 has 4 divisors (see below), whose sum is σ = 417512432. Its totient is φ = 208756212.

The previous prime is 313134319. The next prime is 313134331. The reversal of 313134321 is 123431313.

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.

It is not a de Polignac number, because 313134321 - 2¹ = 313134319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313134331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52189051 + ... + 52189056.

It is an arithmetic number, because the mean of its divisors is an integer number (104378108).

Almost surely, 2^313134321 is an apocalyptic number.

It is an amenable number.

313134321 is a deficient number, since it is larger than the sum of its proper divisors (104378111).

313134321 is a wasteful number, since it uses less digits than its factorization.

313134321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104378110.

The product of its digits is 648, while the sum is 21.

The square root of 313134321 is about 17695.6017416758. The cubic root of 313134321 is about 679.0632437261.

Adding to 313134321 its reverse (123431313), we get a palindrome (436565634).

The spelling of 313134321 in words is "three hundred thirteen million, one hundred thirty-four thousand, three hundred twenty-one".