313111112311 has 4 divisors (see below), whose sum is σ = 313124284872. Its totient is φ = 313097939752.

The previous prime is 313111112309. The next prime is 313111112317. The reversal of 313111112311 is 113211111313.

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 313111112311 - 2¹ = 313111112309 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 (313111112317) 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, 6550561 + ... + 6598186.

It is an arithmetic number, because the mean of its divisors is an integer number (78281071218).

Almost surely, 2^313111112311 is an apocalyptic number.

313111112311 is a deficient number, since it is larger than the sum of its proper divisors (13172561).

313111112311 is a wasteful number, since it uses less digits than its factorization.

313111112311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13172560.

The product of its digits is 54, while the sum is 19.

Adding to 313111112311 its reverse (113211111313), we get a palindrome (426322223624).

The spelling of 313111112311 in words is "three hundred thirteen billion, one hundred eleven million, one hundred twelve thousand, three hundred eleven".