131403404130997 has 2 divisors, whose sum is σ = 131403404130998. Its totient is φ = 131403404130996.

The previous prime is 131403404130961. The next prime is 131403404131049. The reversal of 131403404130997 is 799031404304131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110801918010001 + 20601486120996 = 10526249^2 + 4538886^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131403404130997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131403404130997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131403804130997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65701702065498 + 65701702065499.

It is an arithmetic number, because the mean of its divisors is an integer number (65701702065499).

Almost surely, 2^{131403404130997} is an apocalyptic number.

It is an amenable number.

131403404130997 is a deficient number, since it is larger than the sum of its proper divisors (1).

131403404130997 is an equidigital number, since it uses as much as digits as its factorization.

131403404130997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 49.

The spelling of 131403404130997 in words is "one hundred thirty-one trillion, four hundred three billion, four hundred four million, one hundred thirty thousand, nine hundred ninety-seven".