30185121364 has 6 divisors (see below), whose sum is σ = 52823962394. Its totient is φ = 15092560680.

The previous prime is 30185121359. The next prime is 30185121389. The reversal of 30185121364 is 46312158103.

It can be written as a sum of positive squares in only one way, i.e., 30098780100 + 86341264 = 173490^2 + 9292^2 .

It is a super-2 number, since 2×30185121364² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3773140167 + ... + 3773140174.

Almost surely, 2^30185121364 is an apocalyptic number.

It is an amenable number.

30185121364 is a deficient number, since it is larger than the sum of its proper divisors (22638841030).

30185121364 is a wasteful number, since it uses less digits than its factorization.

30185121364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7546280345 (or 7546280343 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

Adding to 30185121364 its reverse (46312158103), we get a palindrome (76497279467).

The spelling of 30185121364 in words is "thirty billion, one hundred eighty-five million, one hundred twenty-one thousand, three hundred sixty-four".