131311230233031 has 12 divisors (see below), whose sum is σ = 189691909996680. Its totient is φ = 87531528004560.

The previous prime is 131311230233021. The next prime is 131311230233089. The reversal of 131311230233031 is 130332032113131.

131311230233031 is a `hidden beast` number, since 1 + 3 + 1 + 311 + 23 + 0 + 23 + 303 + 1 = 666.

It is not a de Polignac number, because 131311230233031 - 2⁶ = 131311230232967 is a prime.

It is a super-2 number, since 2×131311230233031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131311230232986 and 131311230233004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131311230233021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 774256401 + ... + 774425978.

It is an arithmetic number, because the mean of its divisors is an integer number (15807659166390).

Almost surely, 2^{131311230233031} is an apocalyptic number.

131311230233031 is a deficient number, since it is larger than the sum of its proper divisors (58380679763649).

131311230233031 is a wasteful number, since it uses less digits than its factorization.

131311230233031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548691806 (or 1548691803 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

Adding to 131311230233031 its reverse (130332032113131), we get a palindrome (261643262346162).

The spelling of 131311230233031 in words is "one hundred thirty-one trillion, three hundred eleven billion, two hundred thirty million, two hundred thirty-three thousand, thirty-one".