131201404323389 has 2 divisors, whose sum is σ = 131201404323390. Its totient is φ = 131201404323388.

The previous prime is 131201404323299. The next prime is 131201404323439. The reversal of 131201404323389 is 983323404102131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122128910928025 + 9072493395364 = 11051195^2 + 3012058^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131201404323389 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131201404323089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65600702161694 + 65600702161695.

It is an arithmetic number, because the mean of its divisors is an integer number (65600702161695).

Almost surely, 2^{131201404323389} is an apocalyptic number.

It is an amenable number.

131201404323389 is a deficient number, since it is larger than the sum of its proper divisors (1).

131201404323389 is an equidigital number, since it uses as much as digits as its factorization.

131201404323389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 131201404323389 in words is "one hundred thirty-one trillion, two hundred one billion, four hundred four million, three hundred twenty-three thousand, three hundred eighty-nine".