113131022021313 has 4 divisors (see below), whose sum is σ = 150841362695088. Its totient is φ = 75420681347540.

The previous prime is 113131022021293. The next prime is 113131022021351. The reversal of 113131022021313 is 313120220131311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 113131022021313 - 2²¹ = 113131019924161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113131022021813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18855170336883 + ... + 18855170336888.

It is an arithmetic number, because the mean of its divisors is an integer number (37710340673772).

Almost surely, 2^{113131022021313} is an apocalyptic number.

It is an amenable number.

113131022021313 is a deficient number, since it is larger than the sum of its proper divisors (37710340673775).

113131022021313 is an equidigital number, since it uses as much as digits as its factorization.

113131022021313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37710340673774.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 113131022021313 its reverse (313120220131311), we get a palindrome (426251242152624).

The spelling of 113131022021313 in words is "one hundred thirteen trillion, one hundred thirty-one billion, twenty-two million, twenty-one thousand, three hundred thirteen".