30102320389 has 2 divisors, whose sum is σ = 30102320390. Its totient is φ = 30102320388.

The previous prime is 30102320341. The next prime is 30102320401. The reversal of 30102320389 is 98302320103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16545676900 + 13556643489 = 128630^2 + 116433^2 .

It is a cyclic number.

It is not a de Polignac number, because 30102320389 - 2¹¹ = 30102318341 is a prime.

It is a super-2 number, since 2×30102320389² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30102320389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30100320389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15051160194 + 15051160195.

It is an arithmetic number, because the mean of its divisors is an integer number (15051160195).

Almost surely, 2^30102320389 is an apocalyptic number.

It is an amenable number.

30102320389 is a deficient number, since it is larger than the sum of its proper divisors (1).

30102320389 is an equidigital number, since it uses as much as digits as its factorization.

30102320389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 30102320389 in words is "thirty billion, one hundred two million, three hundred twenty thousand, three hundred eighty-nine".