30031310117 has 2 divisors, whose sum is σ = 30031310118. Its totient is φ = 30031310116.

The previous prime is 30031310087. The next prime is 30031310131. The reversal of 30031310117 is 71101313003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24327888676 + 5703421441 = 155974^2 + 75521^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30031310117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30031310017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15015655058 + 15015655059.

It is an arithmetic number, because the mean of its divisors is an integer number (15015655059).

Almost surely, 2^30031310117 is an apocalyptic number.

It is an amenable number.

30031310117 is a deficient number, since it is larger than the sum of its proper divisors (1).

30031310117 is an equidigital number, since it uses as much as digits as its factorization.

30031310117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189, while the sum is 20.

The spelling of 30031310117 in words is "thirty billion, thirty-one million, three hundred ten thousand, one hundred seventeen".