30900222851 has 2 divisors, whose sum is σ = 30900222852. Its totient is φ = 30900222850.

The previous prime is 30900222841. The next prime is 30900222853. The reversal of 30900222851 is 15822200903.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30900222851 is a prime.

Together with 30900222853, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30900222853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15450111425 + 15450111426.

It is an arithmetic number, because the mean of its divisors is an integer number (15450111426).

Almost surely, 2^30900222851 is an apocalyptic number.

30900222851 is a deficient number, since it is larger than the sum of its proper divisors (1).

30900222851 is an equidigital number, since it uses as much as digits as its factorization.

30900222851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 30900222851 in words is "thirty billion, nine hundred million, two hundred twenty-two thousand, eight hundred fifty-one".