331166540412413 has 2 divisors, whose sum is σ = 331166540412414. Its totient is φ = 331166540412412.

The previous prime is 331166540412317. The next prime is 331166540412443. The reversal of 331166540412413 is 314214045661133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 264583992217444 + 66582548194969 = 16266038^2 + 8159813^2 .

It is a cyclic number.

It is not a de Polignac number, because 331166540412413 - 2¹⁸ = 331166540150269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331166540412443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165583270206206 + 165583270206207.

It is an arithmetic number, because the mean of its divisors is an integer number (165583270206207).

Almost surely, 2^{331166540412413} is an apocalyptic number.

It is an amenable number.

331166540412413 is a deficient number, since it is larger than the sum of its proper divisors (1).

331166540412413 is an equidigital number, since it uses as much as digits as its factorization.

331166540412413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 331166540412413 in words is "three hundred thirty-one trillion, one hundred sixty-six billion, five hundred forty million, four hundred twelve thousand, four hundred thirteen".