131201404320439 has 2 divisors, whose sum is σ = 131201404320440. Its totient is φ = 131201404320438.

The previous prime is 131201404320281. The next prime is 131201404320457. The reversal of 131201404320439 is 934023404102131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131201404320439 - 2²³ = 131201395931831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131201404320398 and 131201404320407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131201404323439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65600702160219 + 65600702160220.

It is an arithmetic number, because the mean of its divisors is an integer number (65600702160220).

Almost surely, 2^{131201404320439} is an apocalyptic number.

131201404320439 is a deficient number, since it is larger than the sum of its proper divisors (1).

131201404320439 is an equidigital number, since it uses as much as digits as its factorization.

131201404320439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 131201404320439 in words is "one hundred thirty-one trillion, two hundred one billion, four hundred four million, three hundred twenty thousand, four hundred thirty-nine".