131325653231 has 4 divisors (see below), whose sum is σ = 131341888392. Its totient is φ = 131309418072.

The previous prime is 131325653203. The next prime is 131325653267. The reversal of 131325653231 is 132356523131.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 131325653231 - 2³⁴ = 114145784047 is a prime.

It is a super-2 number, since 2×131325653231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131325653191 and 131325653200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131325650231) 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, 8105441 + ... + 8121626.

It is an arithmetic number, because the mean of its divisors is an integer number (32835472098).

Almost surely, 2^131325653231 is an apocalyptic number.

131325653231 is a deficient number, since it is larger than the sum of its proper divisors (16235161).

131325653231 is an equidigital number, since it uses as much as digits as its factorization.

131325653231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16235160.

The product of its digits is 48600, while the sum is 35.

The spelling of 131325653231 in words is "one hundred thirty-one billion, three hundred twenty-five million, six hundred fifty-three thousand, two hundred thirty-one".