131231113112113 has 32 divisors (see below), whose sum is σ = 162728781546240. Its totient is φ = 103250122045440.

The previous prime is 131231113112087. The next prime is 131231113112131. The reversal of 131231113112113 is 311211311132131.

It is a cyclic number.

It is not a de Polignac number, because 131231113112113 - 2³³ = 131222523177521 is a prime.

It is a super-2 number, since 2×131231113112113² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131231113112213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9917643 + ... + 18995311.

It is an arithmetic number, because the mean of its divisors is an integer number (5085274423320).

Almost surely, 2^{131231113112113} is an apocalyptic number.

It is an amenable number.

131231113112113 is a deficient number, since it is larger than the sum of its proper divisors (31497668434127).

131231113112113 is a wasteful number, since it uses less digits than its factorization.

131231113112113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9080697.

The product of its digits is 324, while the sum is 25.

Adding to 131231113112113 its reverse (311211311132131), we get a palindrome (442442424244244).

The spelling of 131231113112113 in words is "one hundred thirty-one trillion, two hundred thirty-one billion, one hundred thirteen million, one hundred twelve thousand, one hundred thirteen".