30190553251 has 2 divisors, whose sum is σ = 30190553252. Its totient is φ = 30190553250.

The previous prime is 30190553191. The next prime is 30190553257. The reversal of 30190553251 is 15235509103.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30190553251 - 2²⁷ = 30056335523 is a prime.

It is a super-2 number, since 2×30190553251² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30190553257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15095276625 + 15095276626.

It is an arithmetic number, because the mean of its divisors is an integer number (15095276626).

Almost surely, 2^30190553251 is an apocalyptic number.

30190553251 is a deficient number, since it is larger than the sum of its proper divisors (1).

30190553251 is an equidigital number, since it uses as much as digits as its factorization.

30190553251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20250, while the sum is 34.

The spelling of 30190553251 in words is "thirty billion, one hundred ninety million, five hundred fifty-three thousand, two hundred fifty-one".