131044430239 has 2 divisors, whose sum is σ = 131044430240. Its totient is φ = 131044430238.

The previous prime is 131044430233. The next prime is 131044430243. The reversal of 131044430239 is 932034440131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131044430239 - 2¹¹ = 131044428191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131044430233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65522215119 + 65522215120.

It is an arithmetic number, because the mean of its divisors is an integer number (65522215120).

Almost surely, 2^131044430239 is an apocalyptic number.

131044430239 is a deficient number, since it is larger than the sum of its proper divisors (1).

131044430239 is an equidigital number, since it uses as much as digits as its factorization.

131044430239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 131044430239 in words is "one hundred thirty-one billion, forty-four million, four hundred thirty thousand, two hundred thirty-nine".