30011311247 has 2 divisors, whose sum is σ = 30011311248. Its totient is φ = 30011311246.

The previous prime is 30011311189. The next prime is 30011311259. The reversal of 30011311247 is 74211311003.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30011311247 - 2²² = 30007116943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30011311147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15005655623 + 15005655624.

It is an arithmetic number, because the mean of its divisors is an integer number (15005655624).

Almost surely, 2^30011311247 is an apocalyptic number.

30011311247 is a deficient number, since it is larger than the sum of its proper divisors (1).

30011311247 is an equidigital number, since it uses as much as digits as its factorization.

30011311247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The spelling of 30011311247 in words is "thirty billion, eleven million, three hundred eleven thousand, two hundred forty-seven".