313968793 has 2 divisors, whose sum is σ = 313968794. Its totient is φ = 313968792.

The previous prime is 313968751. The next prime is 313968797. The reversal of 313968793 is 397869313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 229916569 + 84052224 = 15163^2 + 9168^2 .

It is a cyclic number.

It is not a de Polignac number, because 313968793 - 2¹³ = 313960601 is a prime.

It is not a weakly prime, because it can be changed into another prime (313968797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156984396 + 156984397.

It is an arithmetic number, because the mean of its divisors is an integer number (156984397).

Almost surely, 2^313968793 is an apocalyptic number.

It is an amenable number.

313968793 is a deficient number, since it is larger than the sum of its proper divisors (1).

313968793 is an equidigital number, since it uses as much as digits as its factorization.

313968793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 734832, while the sum is 49.

The square root of 313968793 is about 17719.1645683424. The cubic root of 313968793 is about 679.6659208154.

The spelling of 313968793 in words is "three hundred thirteen million, nine hundred sixty-eight thousand, seven hundred ninety-three".