30976663213 has 2 divisors, whose sum is σ = 30976663214. Its totient is φ = 30976663212.

The previous prime is 30976663177. The next prime is 30976663217. The reversal of 30976663213 is 31236667903.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27507217609 + 3469445604 = 165853^2 + 58902^2 .

It is a cyclic number.

It is not a de Polignac number, because 30976663213 - 2²⁹ = 30439792301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30976663217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15488331606 + 15488331607.

It is an arithmetic number, because the mean of its divisors is an integer number (15488331607).

Almost surely, 2^30976663213 is an apocalyptic number.

It is an amenable number.

30976663213 is a deficient number, since it is larger than the sum of its proper divisors (1).

30976663213 is an equidigital number, since it uses as much as digits as its factorization.

30976663213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 734832, while the sum is 46.

The spelling of 30976663213 in words is "thirty billion, nine hundred seventy-six million, six hundred sixty-three thousand, two hundred thirteen".