1131323032 has 16 divisors (see below), whose sum is σ = 2424263760. Its totient is φ = 484852704.

The previous prime is 1131323029. The next prime is 1131323033. The reversal of 1131323032 is 2303231311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131323033) 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, 10101043 + ... + 10101154.

It is an arithmetic number, because the mean of its divisors is an integer number (151516485).

Almost surely, 2^1131323032 is an apocalyptic number.

It is an amenable number.

1131323032 is an abundant number, since it is smaller than the sum of its proper divisors (1292940728).

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

1131323032 is a wasteful number, since it uses less digits than its factorization.

1131323032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20202210 (or 20202206 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1131323032 is about 33635.1457853240. The cubic root of 1131323032 is about 1041.9867814902.

Adding to 1131323032 its reverse (2303231311), we get a palindrome (3434554343).

The spelling of 1131323032 in words is "one billion, one hundred thirty-one million, three hundred twenty-three thousand, thirty-two".