131302333333309 has 2 divisors, whose sum is σ = 131302333333310. Its totient is φ = 131302333333308.

The previous prime is 131302333333289. The next prime is 131302333333331. The reversal of 131302333333309 is 903333333203131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78531552410809 + 52770780922500 = 8861803^2 + 7264350^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131302333333309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131302333333009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65651166666654 + 65651166666655.

It is an arithmetic number, because the mean of its divisors is an integer number (65651166666655).

Almost surely, 2^{131302333333309} is an apocalyptic number.

It is an amenable number.

131302333333309 is a deficient number, since it is larger than the sum of its proper divisors (1).

131302333333309 is an equidigital number, since it uses as much as digits as its factorization.

131302333333309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 354294, while the sum is 40.

The spelling of 131302333333309 in words is "one hundred thirty-one trillion, three hundred two billion, three hundred thirty-three million, three hundred thirty-three thousand, three hundred nine".