30683705513 has 2 divisors, whose sum is σ = 30683705514. Its totient is φ = 30683705512.

The previous prime is 30683705489. The next prime is 30683705539. The reversal of 30683705513 is 31550738603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30601204624 + 82500889 = 174932^2 + 9083^2 .

It is a cyclic number.

It is not a de Polignac number, because 30683705513 - 2⁶ = 30683705449 is a prime.

It is not a weakly prime, because it can be changed into another prime (30683705713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15341852756 + 15341852757.

It is an arithmetic number, because the mean of its divisors is an integer number (15341852757).

Almost surely, 2^30683705513 is an apocalyptic number.

It is an amenable number.

30683705513 is a deficient number, since it is larger than the sum of its proper divisors (1).

30683705513 is an equidigital number, since it uses as much as digits as its factorization.

30683705513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 30683705513 in words is "thirty billion, six hundred eighty-three million, seven hundred five thousand, five hundred thirteen".