30994594613 has 2 divisors, whose sum is σ = 30994594614. Its totient is φ = 30994594612.

The previous prime is 30994594583. The next prime is 30994594619. The reversal of 30994594613 is 31649549903.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29609117329 + 1385477284 = 172073^2 + 37222^2 .

It is an emirp because it is prime and its reverse (31649549903) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30994594613 - 2¹⁰ = 30994593589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30994594619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15497297306 + 15497297307.

It is an arithmetic number, because the mean of its divisors is an integer number (15497297307).

Almost surely, 2^30994594613 is an apocalyptic number.

It is an amenable number.

30994594613 is a deficient number, since it is larger than the sum of its proper divisors (1).

30994594613 is an equidigital number, since it uses as much as digits as its factorization.

30994594613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3149280, while the sum is 53.

The spelling of 30994594613 in words is "thirty billion, nine hundred ninety-four million, five hundred ninety-four thousand, six hundred thirteen".