313356889 has 2 divisors, whose sum is σ = 313356890. Its totient is φ = 313356888.

The previous prime is 313356877. The next prime is 313356907. The reversal of 313356889 is 988653313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235776025 + 77580864 = 15355^2 + 8808^2 .

It is a cyclic number.

It is not a de Polignac number, because 313356889 - 2⁹ = 313356377 is a prime.

It is not a weakly prime, because it can be changed into another prime (313356289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156678444 + 156678445.

It is an arithmetic number, because the mean of its divisors is an integer number (156678445).

Almost surely, 2^313356889 is an apocalyptic number.

It is an amenable number.

313356889 is a deficient number, since it is larger than the sum of its proper divisors (1).

313356889 is an equidigital number, since it uses as much as digits as its factorization.

313356889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 46.

The square root of 313356889 is about 17701.8894189293. The cubic root of 313356889 is about 679.2240926481.

The spelling of 313356889 in words is "three hundred thirteen million, three hundred fifty-six thousand, eight hundred eighty-nine".