30144585971 has 2 divisors, whose sum is σ = 30144585972. Its totient is φ = 30144585970.

The previous prime is 30144585901. The next prime is 30144585973. The reversal of 30144585971 is 17958544103.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30144585971 is a prime.

Together with 30144585973, 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 (30144585973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15072292985 + 15072292986.

It is an arithmetic number, because the mean of its divisors is an integer number (15072292986).

Almost surely, 2^30144585971 is an apocalyptic number.

30144585971 is a deficient number, since it is larger than the sum of its proper divisors (1).

30144585971 is an equidigital number, since it uses as much as digits as its factorization.

30144585971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 30144585971 in words is "thirty billion, one hundred forty-four million, five hundred eighty-five thousand, nine hundred seventy-one".