30982999913 has 2 divisors, whose sum is σ = 30982999914. Its totient is φ = 30982999912.

The previous prime is 30982999907. The next prime is 30982999963. The reversal of 30982999913 is 31999928903.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26194775104 + 4788224809 = 161848^2 + 69197^2 .

It is a cyclic number.

It is not a de Polignac number, because 30982999913 - 2¹² = 30982995817 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (30982999963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15491499956 + 15491499957.

It is an arithmetic number, because the mean of its divisors is an integer number (15491499957).

Almost surely, 2^30982999913 is an apocalyptic number.

It is an amenable number.

30982999913 is a deficient number, since it is larger than the sum of its proper divisors (1).

30982999913 is an equidigital number, since it uses as much as digits as its factorization.

30982999913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8503056, while the sum is 62.

The spelling of 30982999913 in words is "thirty billion, nine hundred eighty-two million, nine hundred ninety-nine thousand, nine hundred thirteen".