30240240991 has 2 divisors, whose sum is σ = 30240240992. Its totient is φ = 30240240990.

The previous prime is 30240240959. The next prime is 30240241063. The reversal of 30240240991 is 19904204203.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30240240991 - 2⁵ = 30240240959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30240240911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15120120495 + 15120120496.

It is an arithmetic number, because the mean of its divisors is an integer number (15120120496).

Almost surely, 2^30240240991 is an apocalyptic number.

30240240991 is a deficient number, since it is larger than the sum of its proper divisors (1).

30240240991 is an equidigital number, since it uses as much as digits as its factorization.

30240240991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 30240240991 in words is "thirty billion, two hundred forty million, two hundred forty thousand, nine hundred ninety-one".