30904035137 has 2 divisors, whose sum is σ = 30904035138. Its totient is φ = 30904035136.

The previous prime is 30904035133. The next prime is 30904035143. The reversal of 30904035137 is 73153040903.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30502273201 + 401761936 = 174649^2 + 20044^2 .

It is a cyclic number.

It is not a de Polignac number, because 30904035137 - 2² = 30904035133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30904035097 and 30904035106.

It is not a weakly prime, because it can be changed into another prime (30904035133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15452017568 + 15452017569.

It is an arithmetic number, because the mean of its divisors is an integer number (15452017569).

Almost surely, 2^30904035137 is an apocalyptic number.

It is an amenable number.

30904035137 is a deficient number, since it is larger than the sum of its proper divisors (1).

30904035137 is an equidigital number, since it uses as much as digits as its factorization.

30904035137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 35.

The spelling of 30904035137 in words is "thirty billion, nine hundred four million, thirty-five thousand, one hundred thirty-seven".