313120111133 has 4 divisors (see below), whose sum is σ = 313144119900. Its totient is φ = 313096102368.

The previous prime is 313120111123. The next prime is 313120111141. The reversal of 313120111133 is 331111021313.

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

It can be written as a sum of positive squares in 2 ways, for example, as 122586115129 + 190533996004 = 350123^2 + 436502^2 .

It is a cyclic number.

It is not a de Polignac number, because 313120111133 - 2¹² = 313120107037 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 (313120111123) 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, 11984810 + ... + 12010907.

It is an arithmetic number, because the mean of its divisors is an integer number (78286029975).

Almost surely, 2^313120111133 is an apocalyptic number.

It is an amenable number.

313120111133 is a deficient number, since it is larger than the sum of its proper divisors (24008767).

313120111133 is a wasteful number, since it uses less digits than its factorization.

313120111133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24008766.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 313120111133 its reverse (331111021313), we get a palindrome (644231132446).

The spelling of 313120111133 in words is "three hundred thirteen billion, one hundred twenty million, one hundred eleven thousand, one hundred thirty-three".