131404040231 has 8 divisors (see below), whose sum is σ = 134928770928. Its totient is φ = 127894536000.

The previous prime is 131404040227. The next prime is 131404040233. The reversal of 131404040231 is 132040404131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131404040231 - 2² = 131404040227 is a prime.

It is a super-2 number, since 2×131404040231² (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 = 131404040197 and 131404040206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131404040233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3789125 + ... + 3823646.

It is an arithmetic number, because the mean of its divisors is an integer number (16866096366).

Almost surely, 2^131404040231 is an apocalyptic number.

131404040231 is a deficient number, since it is larger than the sum of its proper divisors (3524730697).

131404040231 is an equidigital number, since it uses as much as digits as its factorization.

131404040231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7613233.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 131404040231 its reverse (132040404131), we get a palindrome (263444444362).

The spelling of 131404040231 in words is "one hundred thirty-one billion, four hundred four million, forty thousand, two hundred thirty-one".