331230234217 has 2 divisors, whose sum is σ = 331230234218. Its totient is φ = 331230234216.

The previous prime is 331230234211. The next prime is 331230234227. The reversal of 331230234217 is 712432032133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 169950887001 + 161279347216 = 412251^2 + 401596^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331230234217 is a prime.

It is not a weakly prime, because it can be changed into another prime (331230234211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165615117108 + 165615117109.

It is an arithmetic number, because the mean of its divisors is an integer number (165615117109).

Almost surely, 2^331230234217 is an apocalyptic number.

It is an amenable number.

331230234217 is a deficient number, since it is larger than the sum of its proper divisors (1).

331230234217 is an equidigital number, since it uses as much as digits as its factorization.

331230234217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 31.

The spelling of 331230234217 in words is "three hundred thirty-one billion, two hundred thirty million, two hundred thirty-four thousand, two hundred seventeen".