30313332120997 has 2 divisors, whose sum is σ = 30313332120998. Its totient is φ = 30313332120996.

The previous prime is 30313332120991. The next prime is 30313332121019. The reversal of 30313332120997 is 79902123331303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29771438855041 + 541893265956 = 5456321^2 + 736134^2 .

It is a cyclic number.

It is not a de Polignac number, because 30313332120997 - 2³ = 30313332120989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30313332120991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15156666060498 + 15156666060499.

It is an arithmetic number, because the mean of its divisors is an integer number (15156666060499).

Almost surely, 2^{30313332120997} is an apocalyptic number.

It is an amenable number.

30313332120997 is a deficient number, since it is larger than the sum of its proper divisors (1).

30313332120997 is an equidigital number, since it uses as much as digits as its factorization.

30313332120997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 551124, while the sum is 46.

The spelling of 30313332120997 in words is "thirty trillion, three hundred thirteen billion, three hundred thirty-two million, one hundred twenty thousand, nine hundred ninety-seven".