11311132 has 12 divisors (see below), whose sum is σ = 22622320. Its totient is φ = 4847616.

The previous prime is 11311129. The next prime is 11311133. The reversal of 11311132 is 23111311.

11311132 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11311133) 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, 201957 + ... + 202012.

Almost surely, 2^11311132 is an apocalyptic number.

It is an amenable number.

11311132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11311132 is a wasteful number, since it uses less digits than its factorization.

11311132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403980 (or 403978 counting only the distinct ones).

The product of its digits is 18, while the sum is 13.

The square root of 11311132 is about 3363.2026403415. The cubic root of 11311132 is about 224.4753669631.

Adding to 11311132 its reverse (23111311), we get a palindrome (34422443).

The spelling of 11311132 in words is "eleven million, three hundred eleven thousand, one hundred thirty-two".