131330374457 has 2 divisors, whose sum is σ = 131330374458. Its totient is φ = 131330374456.

The previous prime is 131330374451. The next prime is 131330374507. The reversal of 131330374457 is 754473033131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98633055481 + 32697318976 = 314059^2 + 180824^2 .

It is a cyclic number.

It is not a de Polignac number, because 131330374457 - 2¹² = 131330370361 is a prime.

It is not a weakly prime, because it can be changed into another prime (131330374451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65665187228 + 65665187229.

It is an arithmetic number, because the mean of its divisors is an integer number (65665187229).

Almost surely, 2^131330374457 is an apocalyptic number.

It is an amenable number.

131330374457 is a deficient number, since it is larger than the sum of its proper divisors (1).

131330374457 is an equidigital number, since it uses as much as digits as its factorization.

131330374457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 41.

The spelling of 131330374457 in words is "one hundred thirty-one billion, three hundred thirty million, three hundred seventy-four thousand, four hundred fifty-seven".