30305032045225 has 24 divisors (see below), whose sum is σ = 43255527788480. Its totient is φ = 20631092713920.

The previous prime is 30305032045181. The next prime is 30305032045237. The reversal of 30305032045225 is 52254023050303.

It is a happy number.

It is not a de Polignac number, because 30305032045225 - 2⁹ = 30305032044713 is a prime.

It is a super-2 number, since 2×30305032045225² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 622895142 + ... + 622943791.

Almost surely, 2^{30305032045225} is an apocalyptic number.

30305032045225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30305032045225 is a deficient number, since it is larger than the sum of its proper divisors (12950495743255).

30305032045225 is a wasteful number, since it uses less digits than its factorization.

30305032045225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245839089 (or 1245839084 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 34.

Adding to 30305032045225 its reverse (52254023050303), we get a palindrome (82559055095528).

The spelling of 30305032045225 in words is "thirty trillion, three hundred five billion, thirty-two million, forty-five thousand, two hundred twenty-five".