30307038397 has 2 divisors, whose sum is σ = 30307038398. Its totient is φ = 30307038396.

The previous prime is 30307038353. The next prime is 30307038479. The reversal of 30307038397 is 79383070303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16331306436 + 13975731961 = 127794^2 + 118219^2 .

It is a cyclic number.

It is not a de Polignac number, because 30307038397 - 2¹¹ = 30307036349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30307038317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15153519198 + 15153519199.

It is an arithmetic number, because the mean of its divisors is an integer number (15153519199).

Almost surely, 2^30307038397 is an apocalyptic number.

It is an amenable number.

30307038397 is a deficient number, since it is larger than the sum of its proper divisors (1).

30307038397 is an equidigital number, since it uses as much as digits as its factorization.

30307038397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 285768, while the sum is 43.

The spelling of 30307038397 in words is "thirty billion, three hundred seven million, thirty-eight thousand, three hundred ninety-seven".