313069949 has 2 divisors, whose sum is σ = 313069950. Its totient is φ = 313069948.

The previous prime is 313069931. The next prime is 313070033. The reversal of 313069949 is 949960313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210453049 + 102616900 = 14507^2 + 10130^2 .

It is a cyclic number.

It is not a de Polignac number, because 313069949 - 2¹² = 313065853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313069919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156534974 + 156534975.

It is an arithmetic number, because the mean of its divisors is an integer number (156534975).

Almost surely, 2^313069949 is an apocalyptic number.

It is an amenable number.

313069949 is a deficient number, since it is larger than the sum of its proper divisors (1).

313069949 is an equidigital number, since it uses as much as digits as its factorization.

313069949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 157464, while the sum is 44.

The square root of 313069949 is about 17693.7827781399. The cubic root of 313069949 is about 679.0167081535.

The spelling of 313069949 in words is "three hundred thirteen million, sixty-nine thousand, nine hundred forty-nine".