30443310137 has 2 divisors, whose sum is σ = 30443310138. Its totient is φ = 30443310136.

The previous prime is 30443310017. The next prime is 30443310221. The reversal of 30443310137 is 73101334403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18616965136 + 11826345001 = 136444^2 + 108749^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30443310137 is a prime.

It is not a weakly prime, because it can be changed into another prime (30443313137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15221655068 + 15221655069.

It is an arithmetic number, because the mean of its divisors is an integer number (15221655069).

Almost surely, 2^30443310137 is an apocalyptic number.

It is an amenable number.

30443310137 is a deficient number, since it is larger than the sum of its proper divisors (1).

30443310137 is an equidigital number, since it uses as much as digits as its factorization.

30443310137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 29.

The spelling of 30443310137 in words is "thirty billion, four hundred forty-three million, three hundred ten thousand, one hundred thirty-seven".