1322311132 has 12 divisors (see below), whose sum is σ = 2316059536. Its totient is φ = 660579840.

The previous prime is 1322311121. The next prime is 1322311139. The reversal of 1322311132 is 2311132231.

It is a super-2 number, since 2×1322311132² = 3497013459622242848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322311139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138744 + ... + 147967.

Almost surely, 2^1322311132 is an apocalyptic number.

It is an amenable number.

1322311132 is a deficient number, since it is larger than the sum of its proper divisors (993748404).

1322311132 is a wasteful number, since it uses less digits than its factorization.

1322311132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287868 (or 287866 counting only the distinct ones).

The product of its digits is 216, while the sum is 19.

The square root of 1322311132 is about 36363.5962467961. The cubic root of 1322311132 is about 1097.6011448856.

Adding to 1322311132 its reverse (2311132231), we get a palindrome (3633443363).

The spelling of 1322311132 in words is "one billion, three hundred twenty-two million, three hundred eleven thousand, one hundred thirty-two".