30312133002232 has 32 divisors (see below), whose sum is σ = 59773326336000. Its totient is φ = 14382956627424.

The previous prime is 30312133002187. The next prime is 30312133002233. The reversal of 30312133002232 is 23220033121303.

It is a junction number, because it is equal to n+sod(n) for n = 30312133002197 and 30312133002206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30312133002233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 648558732 + ... + 648605467.

It is an arithmetic number, because the mean of its divisors is an integer number (1867916448000).

Almost surely, 2^{30312133002232} is an apocalyptic number.

It is an amenable number.

30312133002232 is a deficient number, since it is larger than the sum of its proper divisors (29461193333768).

30312133002232 is a wasteful number, since it uses less digits than its factorization.

30312133002232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297164355 (or 1297164351 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 30312133002232 its reverse (23220033121303), we get a palindrome (53532166123535).

The spelling of 30312133002232 in words is "thirty trillion, three hundred twelve billion, one hundred thirty-three million, two thousand, two hundred thirty-two".