232011312 has 120 divisors (see below), whose sum is σ = 667417104. Its totient is φ = 69368832.

The previous prime is 232011277. The next prime is 232011323. The reversal of 232011312 is 213110232.

It is a super-2 number, since 2×232011312² = 107658497791922688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 232011291 and 232011300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 299758 + ... + 300530.

Almost surely, 2^232011312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 232011312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333708552).

232011312 is an abundant number, since it is smaller than the sum of its proper divisors (435405792).

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

232011312 is a wasteful number, since it uses less digits than its factorization.

232011312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847 (or 828 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 232011312 is about 15231.9175417936. The cubic root of 232011312 is about 614.4733517702.

Adding to 232011312 its reverse (213110232), we get a palindrome (445121544).

The spelling of 232011312 in words is "two hundred thirty-two million, eleven thousand, three hundred twelve".