313013111 has 4 divisors (see below), whose sum is σ = 313210224. Its totient is φ = 312816000.

The previous prime is 313013093. The next prime is 313013149. The reversal of 313013111 is 111310313.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 313013111 - 2¹⁰ = 313012087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313013161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96155 + ... + 99356.

It is an arithmetic number, because the mean of its divisors is an integer number (78302556).

Almost surely, 2^313013111 is an apocalyptic number.

313013111 is a deficient number, since it is larger than the sum of its proper divisors (197113).

313013111 is a wasteful number, since it uses less digits than its factorization.

313013111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197112.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 313013111 is about 17692.1765478417. The cubic root of 313013111 is about 678.9756137297.

Adding to 313013111 its reverse (111310313), we get a palindrome (424323424).

The spelling of 313013111 in words is "three hundred thirteen million, thirteen thousand, one hundred eleven".