313663111 has 2 divisors, whose sum is σ = 313663112. Its totient is φ = 313663110.

The previous prime is 313663109. The next prime is 313663123. The reversal of 313663111 is 111366313.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (111366313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313663111 - 2¹ = 313663109 is a prime.

Together with 313663109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313663211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156831555 + 156831556.

It is an arithmetic number, because the mean of its divisors is an integer number (156831556).

Almost surely, 2^313663111 is an apocalyptic number.

313663111 is a deficient number, since it is larger than the sum of its proper divisors (1).

313663111 is an equidigital number, since it uses as much as digits as its factorization.

313663111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972, while the sum is 25.

The square root of 313663111 is about 17710.5367225276. The cubic root of 313663111 is about 679.4452735142.

The spelling of 313663111 in words is "three hundred thirteen million, six hundred sixty-three thousand, one hundred eleven".