1131434232 has 32 divisors (see below), whose sum is σ = 2894369280. Its totient is φ = 368373600.

The previous prime is 1131434197. The next prime is 1131434233. The reversal of 1131434232 is 2324341311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131434233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 547144 + ... + 549207.

It is an arithmetic number, because the mean of its divisors is an integer number (90449040).

Almost surely, 2^1131434232 is an apocalyptic number.

1131434232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1131434232 is an abundant number, since it is smaller than the sum of its proper divisors (1762935048).

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

1131434232 is a wasteful number, since it uses less digits than its factorization.

1131434232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096403 (or 1096399 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 1131434232 is about 33636.7987775294. The cubic root of 1131434232 is about 1042.0209200256.

Adding to 1131434232 its reverse (2324341311), we get a palindrome (3455775543).

The spelling of 1131434232 in words is "one billion, one hundred thirty-one million, four hundred thirty-four thousand, two hundred thirty-two".