313112523122011 has 4 divisors (see below), whose sum is σ = 317401735767592. Its totient is φ = 308823310476432.

The previous prime is 313112523121997. The next prime is 313112523122027. The reversal of 313112523122011 is 110221325211313.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313112523122011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313112523122041) 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, 2144606322681 + ... + 2144606322826.

It is an arithmetic number, because the mean of its divisors is an integer number (79350433941898).

Almost surely, 2^{313112523122011} is an apocalyptic number.

313112523122011 is a deficient number, since it is larger than the sum of its proper divisors (4289212645581).

313112523122011 is an equidigital number, since it uses as much as digits as its factorization.

313112523122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4289212645580.

The product of its (nonzero) digits is 2160, while the sum is 28.

Adding to 313112523122011 its reverse (110221325211313), we get a palindrome (423333848333324).

The spelling of 313112523122011 in words is "three hundred thirteen trillion, one hundred twelve billion, five hundred twenty-three million, one hundred twenty-two thousand, eleven".