131412889961 has 2 divisors, whose sum is σ = 131412889962. Its totient is φ = 131412889960.

The previous prime is 131412889841. The next prime is 131412889997. The reversal of 131412889961 is 169988214131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85383762025 + 46029127936 = 292205^2 + 214544^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131412889961 is a prime.

It is not a weakly prime, because it can be changed into another prime (131412889061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65706444980 + 65706444981.

It is an arithmetic number, because the mean of its divisors is an integer number (65706444981).

Almost surely, 2^131412889961 is an apocalyptic number.

It is an amenable number.

131412889961 is a deficient number, since it is larger than the sum of its proper divisors (1).

131412889961 is an equidigital number, since it uses as much as digits as its factorization.

131412889961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 53.

The spelling of 131412889961 in words is "one hundred thirty-one billion, four hundred twelve million, eight hundred eighty-nine thousand, nine hundred sixty-one".