131232412431231 has 8 divisors (see below), whose sum is σ = 174976638769200. Its totient is φ = 87488230523712.

The previous prime is 131232412431229. The next prime is 131232412431257. The reversal of 131232412431231 is 132134214232131.

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

It is not a de Polignac number, because 131232412431231 - 2¹ = 131232412431229 is a prime.

It is a super-2 number, since 2×131232412431231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131232412431192 and 131232412431201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131232452431231) 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, 3464406 + ... + 16567043.

It is an arithmetic number, because the mean of its divisors is an integer number (21872079846150).

Almost surely, 2^{131232412431231} is an apocalyptic number.

131232412431231 is a deficient number, since it is larger than the sum of its proper divisors (43744226337969).

131232412431231 is a wasteful number, since it uses less digits than its factorization.

131232412431231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22215225.

The product of its digits is 20736, while the sum is 33.

Adding to 131232412431231 its reverse (132134214232131), we get a palindrome (263366626663362).

The spelling of 131232412431231 in words is "one hundred thirty-one trillion, two hundred thirty-two billion, four hundred twelve million, four hundred thirty-one thousand, two hundred thirty-one".