30230302691 has 2 divisors, whose sum is σ = 30230302692. Its totient is φ = 30230302690.

The previous prime is 30230302667. The next prime is 30230302693. The reversal of 30230302691 is 19620303203.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30230302691 is a prime.

Together with 30230302693, 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 (30230302693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15115151345 + 15115151346.

It is an arithmetic number, because the mean of its divisors is an integer number (15115151346).

Almost surely, 2^30230302691 is an apocalyptic number.

30230302691 is a deficient number, since it is larger than the sum of its proper divisors (1).

30230302691 is an equidigital number, since it uses as much as digits as its factorization.

30230302691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 29.

Adding to 30230302691 its reverse (19620303203), we get a palindrome (49850605894).

The spelling of 30230302691 in words is "thirty billion, two hundred thirty million, three hundred two thousand, six hundred ninety-one".