131504541431 has 2 divisors, whose sum is σ = 131504541432. Its totient is φ = 131504541430.

The previous prime is 131504541347. The next prime is 131504541451. The reversal of 131504541431 is 134145405131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131504541431 - 2¹⁸ = 131504279287 is a prime.

It is a super-2 number, since 2×131504541431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131504541451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65752270715 + 65752270716.

It is an arithmetic number, because the mean of its divisors is an integer number (65752270716).

Almost surely, 2^131504541431 is an apocalyptic number.

131504541431 is a deficient number, since it is larger than the sum of its proper divisors (1).

131504541431 is an equidigital number, since it uses as much as digits as its factorization.

131504541431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 131504541431 its reverse (134145405131), we get a palindrome (265649946562).

The spelling of 131504541431 in words is "one hundred thirty-one billion, five hundred four million, five hundred forty-one thousand, four hundred thirty-one".