131330305439 has 2 divisors, whose sum is σ = 131330305440. Its totient is φ = 131330305438.

The previous prime is 131330305397. The next prime is 131330305453. The reversal of 131330305439 is 934503033131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131330305439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131330305399 and 131330305408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131330305499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65665152719 + 65665152720.

It is an arithmetic number, because the mean of its divisors is an integer number (65665152720).

Almost surely, 2^131330305439 is an apocalyptic number.

131330305439 is a deficient number, since it is larger than the sum of its proper divisors (1).

131330305439 is an equidigital number, since it uses as much as digits as its factorization.

131330305439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43740, while the sum is 35.

The spelling of 131330305439 in words is "one hundred thirty-one billion, three hundred thirty million, three hundred five thousand, four hundred thirty-nine".