30515225323189 has 2 divisors, whose sum is σ = 30515225323190. Its totient is φ = 30515225323188.

The previous prime is 30515225323127. The next prime is 30515225323217. The reversal of 30515225323189 is 98132352251503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22946178907089 + 7569046416100 = 4790217^2 + 2751190^2 .

It is a cyclic number.

It is not a de Polignac number, because 30515225323189 - 2⁹ = 30515225322677 is a prime.

It is a super-2 number, since 2×30515225323189² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30515225323589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15257612661594 + 15257612661595.

It is an arithmetic number, because the mean of its divisors is an integer number (15257612661595).

Almost surely, 2^{30515225323189} is an apocalyptic number.

It is an amenable number.

30515225323189 is a deficient number, since it is larger than the sum of its proper divisors (1).

30515225323189 is an equidigital number, since it uses as much as digits as its factorization.

30515225323189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944000, while the sum is 49.

The spelling of 30515225323189 in words is "thirty trillion, five hundred fifteen billion, two hundred twenty-five million, three hundred twenty-three thousand, one hundred eighty-nine".