1233431332 has 18 divisors (see below), whose sum is σ = 2510914182. Its totient is φ = 528613344.

The previous prime is 1233431321. The next prime is 1233431357. The reversal of 1233431332 is 2331343321.

It can be written as a sum of positive squares in only one way, i.e., 1221083136 + 12348196 = 34944^2 + 3514^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1233431297 and 1233431306.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3146313 + ... + 3146704.

Almost surely, 2^1233431332 is an apocalyptic number.

It is an amenable number.

1233431332 is an abundant number, since it is smaller than the sum of its proper divisors (1277482850).

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

1233431332 is a wasteful number, since it uses less digits than its factorization.

1233431332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6293035 (or 6293026 counting only the distinct ones).

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

The square root of 1233431332 is about 35120.2410583982. The cubic root of 1233431332 is about 1072.4366781602.

Adding to 1233431332 its reverse (2331343321), we get a palindrome (3564774653).

The spelling of 1233431332 in words is "one billion, two hundred thirty-three million, four hundred thirty-one thousand, three hundred thirty-two".