30331225532052 has 18 divisors (see below), whose sum is σ = 76670597872778. Its totient is φ = 10110408510672.

The previous prime is 30331225532051. The next prime is 30331225532081. The reversal of 30331225532052 is 25023552213303.

30331225532052 is a `hidden beast` number, since 3 + 0 + 3 + 31 + 2 + 2 + 553 + 20 + 52 = 666.

It can be written as a sum of positive squares in only one way, i.e., 30195068960016 + 136156572036 = 5495004^2 + 368994^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 842534042557 = 30331225532052 / (3 + 0 + 3 + 3 + 1 + 2 + 2 + 5 + 5 + 3 + 2 + 0 + 5 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 30331225531998 and 30331225532016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30331225532051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 421267021243 + ... + 421267021314.

Almost surely, 2^{30331225532052} is an apocalyptic number.

It is an amenable number.

30331225532052 is an abundant number, since it is smaller than the sum of its proper divisors (46339372340726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30331225532052 is a wasteful number, since it uses less digits than its factorization.

30331225532052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842534042567 (or 842534042562 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 36.

Adding to 30331225532052 its reverse (25023552213303), we get a palindrome (55354777745355).

The spelling of 30331225532052 in words is "thirty trillion, three hundred thirty-one billion, two hundred twenty-five million, five hundred thirty-two thousand, fifty-two".