30231307 has 2 divisors, whose sum is σ = 30231308. Its totient is φ = 30231306.

The previous prime is 30231283. The next prime is 30231317. The reversal of 30231307 is 70313203.

It is a strong prime.

It is an emirp because it is prime and its reverse (70313203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30231307 - 2²³ = 21842699 is a prime.

It is not a weakly prime, because it can be changed into another prime (30231317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15115653 + 15115654.

It is an arithmetic number, because the mean of its divisors is an integer number (15115654).

Almost surely, 2^30231307 is an apocalyptic number.

30231307 is a deficient number, since it is larger than the sum of its proper divisors (1).

30231307 is an equidigital number, since it uses as much as digits as its factorization.

30231307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 19.

The square root of 30231307 is about 5498.3003737519. The cubic root of 30231307 is about 311.5197898431.

The spelling of 30231307 in words is "thirty million, two hundred thirty-one thousand, three hundred seven".