30251144117 has 2 divisors, whose sum is σ = 30251144118. Its totient is φ = 30251144116.

The previous prime is 30251144089. The next prime is 30251144141. The reversal of 30251144117 is 71144115203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19321278001 + 10929866116 = 139001^2 + 104546^2 .

It is a cyclic number.

It is not a de Polignac number, because 30251144117 - 2⁸ = 30251143861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30251144117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30251144017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15125572058 + 15125572059.

It is an arithmetic number, because the mean of its divisors is an integer number (15125572059).

Almost surely, 2^30251144117 is an apocalyptic number.

It is an amenable number.

30251144117 is a deficient number, since it is larger than the sum of its proper divisors (1).

30251144117 is an equidigital number, since it uses as much as digits as its factorization.

30251144117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 29.

The spelling of 30251144117 in words is "thirty billion, two hundred fifty-one million, one hundred forty-four thousand, one hundred seventeen".