131431339979 has 2 divisors, whose sum is σ = 131431339980. Its totient is φ = 131431339978.

The previous prime is 131431339973. The next prime is 131431340101. The reversal of 131431339979 is 979933134131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131431339979 - 2¹² = 131431335883 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131431339979.

It is not a weakly prime, because it can be changed into another prime (131431339973) 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 as a sum of consecutive naturals, namely, 65715669989 + 65715669990.

It is an arithmetic number, because the mean of its divisors is an integer number (65715669990).

Almost surely, 2^131431339979 is an apocalyptic number.

131431339979 is a deficient number, since it is larger than the sum of its proper divisors (1).

131431339979 is an equidigital number, since it uses as much as digits as its factorization.

131431339979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1653372, while the sum is 53.

The spelling of 131431339979 in words is "one hundred thirty-one billion, four hundred thirty-one million, three hundred thirty-nine thousand, nine hundred seventy-nine".