30321130424225 has 24 divisors (see below), whose sum is σ = 39238892355960. Its totient is φ = 23213198597120.

The previous prime is 30321130424201. The next prime is 30321130424227. The reversal of 30321130424225 is 52242403112303.

It can be written as a sum of positive squares in 12 ways, for example, as 24075989479441 + 6245140944784 = 4906729^2 + 2499028^2 .

It is not a de Polignac number, because 30321130424225 - 2⁶ = 30321130424161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30321130424191 and 30321130424200.

It is not an unprimeable number, because it can be changed into a prime (30321130424227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184972274 + ... + 185136123.

It is an arithmetic number, because the mean of its divisors is an integer number (1634953848165).

Almost surely, 2^{30321130424225} is an apocalyptic number.

It is an amenable number.

30321130424225 is a deficient number, since it is larger than the sum of its proper divisors (8917761931735).

30321130424225 is a wasteful number, since it uses less digits than its factorization.

30321130424225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370108549 (or 370108544 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 30321130424225 its reverse (52242403112303), we get a palindrome (82563533536528).

The spelling of 30321130424225 in words is "thirty trillion, three hundred twenty-one billion, one hundred thirty million, four hundred twenty-four thousand, two hundred twenty-five".