331716974851 has 2 divisors, whose sum is σ = 331716974852. Its totient is φ = 331716974850.

The previous prime is 331716974839. The next prime is 331716974861. The reversal of 331716974851 is 158479617133.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331716974851 is a prime.

It is a super-2 number, since 2×331716974851² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 331716974792 and 331716974801.

It is not a weakly prime, because it can be changed into another prime (331716974861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165858487425 + 165858487426.

It is an arithmetic number, because the mean of its divisors is an integer number (165858487426).

Almost surely, 2^331716974851 is an apocalyptic number.

331716974851 is a deficient number, since it is larger than the sum of its proper divisors (1).

331716974851 is an equidigital number, since it uses as much as digits as its factorization.

331716974851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3810240, while the sum is 55.

The spelling of 331716974851 in words is "three hundred thirty-one billion, seven hundred sixteen million, nine hundred seventy-four thousand, eight hundred fifty-one".