30302220317 has 2 divisors, whose sum is σ = 30302220318. Its totient is φ = 30302220316.

The previous prime is 30302220293. The next prime is 30302220331. The reversal of 30302220317 is 71302220303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29307385636 + 994834681 = 171194^2 + 31541^2 .

It is a cyclic number.

It is not a de Polignac number, because 30302220317 - 2²⁰ = 30301171741 is a prime.

It is a super-2 number, since 2×30302220317² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30302220292 and 30302220301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30302220217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15151110158 + 15151110159.

It is an arithmetic number, because the mean of its divisors is an integer number (15151110159).

Almost surely, 2^30302220317 is an apocalyptic number.

It is an amenable number.

30302220317 is a deficient number, since it is larger than the sum of its proper divisors (1).

30302220317 is an equidigital number, since it uses as much as digits as its factorization.

30302220317 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 23.

The spelling of 30302220317 in words is "thirty billion, three hundred two million, two hundred twenty thousand, three hundred seventeen".