313321043 has 12 divisors (see below), whose sum is σ = 364920840. Its totient is φ = 268232832.

The previous prime is 313321027. The next prime is 313321049. The reversal of 313321043 is 340123313.

It is not a de Polignac number, because 313321043 - 2⁴ = 313321027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313321049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42080 + ... + 48962.

It is an arithmetic number, because the mean of its divisors is an integer number (30410070).

Almost surely, 2^313321043 is an apocalyptic number.

313321043 is a deficient number, since it is larger than the sum of its proper divisors (51599797).

313321043 is an equidigital number, since it uses as much as digits as its factorization.

313321043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7826 (or 7819 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 313321043 is about 17700.8768991821. The cubic root of 313321043 is about 679.1981920470.

Adding to 313321043 its reverse (340123313), we get a palindrome (653444356).

The spelling of 313321043 in words is "three hundred thirteen million, three hundred twenty-one thousand, forty-three".