131320130012231 has 16 divisors (see below), whose sum is σ = 142057095598080. Its totient is φ = 121036894714560.

The previous prime is 131320130012209. The next prime is 131320130012233. The reversal of 131320130012231 is 132210031023131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131320130012231 is a prime.

It is a super-2 number, since 2×131320130012231² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131320130012197 and 131320130012206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131320130012233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395069291 + ... + 395401548.

It is an arithmetic number, because the mean of its divisors is an integer number (8878568474880).

Almost surely, 2^{131320130012231} is an apocalyptic number.

131320130012231 is a deficient number, since it is larger than the sum of its proper divisors (10736965585849).

131320130012231 is a wasteful number, since it uses less digits than its factorization.

131320130012231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790471126.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 131320130012231 its reverse (132210031023131), we get a palindrome (263530161035362).

The spelling of 131320130012231 in words is "one hundred thirty-one trillion, three hundred twenty billion, one hundred thirty million, twelve thousand, two hundred thirty-one".