30323931851 has 2 divisors, whose sum is σ = 30323931852. Its totient is φ = 30323931850.

The previous prime is 30323931779. The next prime is 30323931919. The reversal of 30323931851 is 15813932303.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30323931851 - 2³⁴ = 13144062667 is a prime.

It is not a weakly prime, because it can be changed into another prime (30323931151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15161965925 + 15161965926.

It is an arithmetic number, because the mean of its divisors is an integer number (15161965926).

Almost surely, 2^30323931851 is an apocalyptic number.

30323931851 is a deficient number, since it is larger than the sum of its proper divisors (1).

30323931851 is an equidigital number, since it uses as much as digits as its factorization.

30323931851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 38.

The spelling of 30323931851 in words is "thirty billion, three hundred twenty-three million, nine hundred thirty-one thousand, eight hundred fifty-one".