30231031147 has 2 divisors, whose sum is σ = 30231031148. Its totient is φ = 30231031146.

The previous prime is 30231031097. The next prime is 30231031151. The reversal of 30231031147 is 74113013203.

It is a strong prime.

It is an emirp because it is prime and its reverse (74113013203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30231031147 - 2¹¹ = 30231029099 is a prime.

It is not a weakly prime, because it can be changed into another prime (30231031447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15115515573 + 15115515574.

It is an arithmetic number, because the mean of its divisors is an integer number (15115515574).

Almost surely, 2^30231031147 is an apocalyptic number.

30231031147 is a deficient number, since it is larger than the sum of its proper divisors (1).

30231031147 is an equidigital number, since it uses as much as digits as its factorization.

30231031147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 25.

The spelling of 30231031147 in words is "thirty billion, two hundred thirty-one million, thirty-one thousand, one hundred forty-seven".