30120403307 has 2 divisors, whose sum is σ = 30120403308. Its totient is φ = 30120403306.

The previous prime is 30120403297. The next prime is 30120403309. The reversal of 30120403307 is 70330402103.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30120403307 is a prime.

Together with 30120403309, 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 (30120403309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15060201653 + 15060201654.

It is an arithmetic number, because the mean of its divisors is an integer number (15060201654).

Almost surely, 2^30120403307 is an apocalyptic number.

30120403307 is a deficient number, since it is larger than the sum of its proper divisors (1).

30120403307 is an equidigital number, since it uses as much as digits as its factorization.

30120403307 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 23.

The spelling of 30120403307 in words is "thirty billion, one hundred twenty million, four hundred three thousand, three hundred seven".