131032101989 has 2 divisors, whose sum is σ = 131032101990. Its totient is φ = 131032101988.

The previous prime is 131032101979. The next prime is 131032102051. The reversal of 131032101989 is 989101230131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103904364964 + 27127737025 = 322342^2 + 164705^2 .

It is a cyclic number.

It is not a de Polignac number, because 131032101989 - 2³⁶ = 62312625253 is a prime.

It is a super-2 number, since 2×131032101989² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131032101979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65516050994 + 65516050995.

It is an arithmetic number, because the mean of its divisors is an integer number (65516050995).

Almost surely, 2^131032101989 is an apocalyptic number.

It is an amenable number.

131032101989 is a deficient number, since it is larger than the sum of its proper divisors (1).

131032101989 is an equidigital number, since it uses as much as digits as its factorization.

131032101989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 38.

The spelling of 131032101989 in words is "one hundred thirty-one billion, thirty-two million, one hundred one thousand, nine hundred eighty-nine".