30321133189 has 2 divisors, whose sum is σ = 30321133190. Its totient is φ = 30321133188.

The previous prime is 30321133127. The next prime is 30321133217. The reversal of 30321133189 is 98133112303.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29689013025 + 632120164 = 172305^2 + 25142^2 .

It is a cyclic number.

It is not a de Polignac number, because 30321133189 - 2¹⁵ = 30321100421 is a prime.

It is a super-2 number, since 2×30321133189² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30321143189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15160566594 + 15160566595.

It is an arithmetic number, because the mean of its divisors is an integer number (15160566595).

Almost surely, 2^30321133189 is an apocalyptic number.

It is an amenable number.

30321133189 is a deficient number, since it is larger than the sum of its proper divisors (1).

30321133189 is an equidigital number, since it uses as much as digits as its factorization.

30321133189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

It can be divided in two parts, 303211 and 33189, that added together give a square (336400 = 580²).

The spelling of 30321133189 in words is "thirty billion, three hundred twenty-one million, one hundred thirty-three thousand, one hundred eighty-nine".