131330630393 has 2 divisors, whose sum is σ = 131330630394. Its totient is φ = 131330630392.

The previous prime is 131330630329. The next prime is 131330630399. The reversal of 131330630393 is 393036033131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75676158649 + 55654471744 = 275093^2 + 235912^2 .

It is a cyclic number.

It is not a de Polignac number, because 131330630393 - 2⁶ = 131330630329 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (131330630399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65665315196 + 65665315197.

It is an arithmetic number, because the mean of its divisors is an integer number (65665315197).

Almost surely, 2^131330630393 is an apocalyptic number.

It is an amenable number.

131330630393 is a deficient number, since it is larger than the sum of its proper divisors (1).

131330630393 is an equidigital number, since it uses as much as digits as its factorization.

131330630393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39366, while the sum is 35.

The spelling of 131330630393 in words is "one hundred thirty-one billion, three hundred thirty million, six hundred thirty thousand, three hundred ninety-three".