30312312232 has 16 divisors (see below), whose sum is σ = 56940650100. Its totient is φ = 15128138880.

The previous prime is 30312312229. The next prime is 30312312253. The reversal of 30312312232 is 23221321303.

It can be written as a sum of positive squares in 2 ways, for example, as 27531437476 + 2780874756 = 165926^2 + 52734^2 .

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, 3497557 + ... + 3506212.

Almost surely, 2^30312312232 is an apocalyptic number.

It is an amenable number.

30312312232 is a deficient number, since it is larger than the sum of its proper divisors (26628337868).

30312312232 is a wasteful number, since it uses less digits than its factorization.

30312312232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7004316 (or 7004312 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 30312312232 its reverse (23221321303), we get a palindrome (53533633535).

The spelling of 30312312232 in words is "thirty billion, three hundred twelve million, three hundred twelve thousand, two hundred thirty-two".