30312134332 has 12 divisors (see below), whose sum is σ = 55352593296. Its totient is φ = 14497107680.

The previous prime is 30312134327. The next prime is 30312134417. The reversal of 30312134332 is 23343121303.

It is a super-2 number, since 2×30312134332² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30312134297 and 30312134306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164739769 + ... + 164739952.

It is an arithmetic number, because the mean of its divisors is an integer number (4612716108).

Almost surely, 2^30312134332 is an apocalyptic number.

It is an amenable number.

30312134332 is a deficient number, since it is larger than the sum of its proper divisors (25040458964).

30312134332 is a wasteful number, since it uses less digits than its factorization.

30312134332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329479748 (or 329479746 counting only the distinct ones).

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

Adding to 30312134332 its reverse (23343121303), we get a palindrome (53655255635).

The spelling of 30312134332 in words is "thirty billion, three hundred twelve million, one hundred thirty-four thousand, three hundred thirty-two".