30813804011 has 2 divisors, whose sum is σ = 30813804012. Its totient is φ = 30813804010.

The previous prime is 30813803971. The next prime is 30813804017. The reversal of 30813804011 is 11040831803.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30813804011 is a prime.

It is not a weakly prime, because it can be changed into another prime (30813804017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15406902005 + 15406902006.

It is an arithmetic number, because the mean of its divisors is an integer number (15406902006).

Almost surely, 2^30813804011 is an apocalyptic number.

30813804011 is a deficient number, since it is larger than the sum of its proper divisors (1).

30813804011 is an equidigital number, since it uses as much as digits as its factorization.

30813804011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 29.

The spelling of 30813804011 in words is "thirty billion, eight hundred thirteen million, eight hundred four thousand, eleven".