1331423332 has 24 divisors (see below), whose sum is σ = 2418595200. Its totient is φ = 640860960.

The previous prime is 1331423329. The next prime is 1331423339. The reversal of 1331423332 is 2333241331.

It is a junction number, because it is equal to n+sod(n) for n = 1331423297 and 1331423306.

It is not an unprimeable number, because it can be changed into a prime (1331423339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46582 + ... + 69517.

It is an arithmetic number, because the mean of its divisors is an integer number (100774800).

Almost surely, 2^1331423332 is an apocalyptic number.

It is an amenable number.

1331423332 is a deficient number, since it is larger than the sum of its proper divisors (1087171868).

1331423332 is a wasteful number, since it uses less digits than its factorization.

1331423332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116211 (or 116209 counting only the distinct ones).

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

The square root of 1331423332 is about 36488.6740235926. The cubic root of 1331423332 is about 1100.1166080239.

Adding to 1331423332 its reverse (2333241331), we get a palindrome (3664664663).

The spelling of 1331423332 in words is "one billion, three hundred thirty-one million, four hundred twenty-three thousand, three hundred thirty-two".