131201204033381 has 2 divisors, whose sum is σ = 131201204033382. Its totient is φ = 131201204033380.

The previous prime is 131201204033359. The next prime is 131201204033443. The reversal of 131201204033381 is 183330402102131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96641502470881 + 34559701562500 = 9830641^2 + 5878750^2 .

It is a cyclic number.

It is not a de Polignac number, because 131201204033381 - 2¹⁸ = 131201203771237 is a prime.

It is a super-2 number, since 2×131201204033381² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131201204038381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65600602016690 + 65600602016691.

It is an arithmetic number, because the mean of its divisors is an integer number (65600602016691).

Almost surely, 2^{131201204033381} is an apocalyptic number.

It is an amenable number.

131201204033381 is a deficient number, since it is larger than the sum of its proper divisors (1).

131201204033381 is an equidigital number, since it uses as much as digits as its factorization.

131201204033381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 131201204033381 in words is "one hundred thirty-one trillion, two hundred one billion, two hundred four million, thirty-three thousand, three hundred eighty-one".