30243103117 has 2 divisors, whose sum is σ = 30243103118. Its totient is φ = 30243103116.

The previous prime is 30243103081. The next prime is 30243103127. The reversal of 30243103117 is 71130134203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24929567881 + 5313535236 = 157891^2 + 72894^2 .

It is an emirp because it is prime and its reverse (71130134203) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30243103117 is a prime.

It is a super-2 number, since 2×30243103117² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30243103091 and 30243103100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30243103127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15121551558 + 15121551559.

It is an arithmetic number, because the mean of its divisors is an integer number (15121551559).

Almost surely, 2^30243103117 is an apocalyptic number.

It is an amenable number.

30243103117 is a deficient number, since it is larger than the sum of its proper divisors (1).

30243103117 is an equidigital number, since it uses as much as digits as its factorization.

30243103117 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 25.

The spelling of 30243103117 in words is "thirty billion, two hundred forty-three million, one hundred three thousand, one hundred seventeen".