131424540431 has 8 divisors (see below), whose sum is σ = 132940607184. Its totient is φ = 129913803520.

The previous prime is 131424540371. The next prime is 131424540433. The reversal of 131424540431 is 134045424131.

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 131424540431 - 2⁶ = 131424540367 is a prime.

It is a super-2 number, since 2×131424540431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131424540433) 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, 1282850 + ... + 1381503.

It is an arithmetic number, because the mean of its divisors is an integer number (16617575898).

Almost surely, 2^131424540431 is an apocalyptic number.

131424540431 is a deficient number, since it is larger than the sum of its proper divisors (1516066753).

131424540431 is a wasteful number, since it uses less digits than its factorization.

131424540431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2664921.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 131424540431 its reverse (134045424131), we get a palindrome (265469964562).

The spelling of 131424540431 in words is "one hundred thirty-one billion, four hundred twenty-four million, five hundred forty thousand, four hundred thirty-one".