30976613 has 2 divisors, whose sum is σ = 30976614. Its totient is φ = 30976612.

The previous prime is 30976591. The next prime is 30976637. The reversal of 30976613 is 31667903.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24433249 + 6543364 = 4943^2 + 2558^2 .

It is a cyclic number.

It is not a de Polignac number, because 30976613 - 2⁶ = 30976549 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30976643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15488306 + 15488307.

It is an arithmetic number, because the mean of its divisors is an integer number (15488307).

Almost surely, 2^30976613 is an apocalyptic number.

It is an amenable number.

30976613 is a deficient number, since it is larger than the sum of its proper divisors (1).

30976613 is an equidigital number, since it uses as much as digits as its factorization.

30976613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 30976613 is about 5565.6637519706. The cubic root of 30976613 is about 314.0590480863.

The spelling of 30976613 in words is "thirty million, nine hundred seventy-six thousand, six hundred thirteen".