131033331389 has 2 divisors, whose sum is σ = 131033331390. Its totient is φ = 131033331388.

The previous prime is 131033331379. The next prime is 131033331419. The reversal of 131033331389 is 983133330131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69061212025 + 61972119364 = 262795^2 + 248942^2 .

It is a cyclic number.

It is not a de Polignac number, because 131033331389 - 2⁸ = 131033331133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131033331379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65516665694 + 65516665695.

It is an arithmetic number, because the mean of its divisors is an integer number (65516665695).

Almost surely, 2^131033331389 is an apocalyptic number.

It is an amenable number.

131033331389 is a deficient number, since it is larger than the sum of its proper divisors (1).

131033331389 is an equidigital number, since it uses as much as digits as its factorization.

131033331389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 38.

The spelling of 131033331389 in words is "one hundred thirty-one billion, thirty-three million, three hundred thirty-one thousand, three hundred eighty-nine".