1131343032 has 32 divisors (see below), whose sum is σ = 2829574800. Its totient is φ = 376952064.

The previous prime is 1131343019. The next prime is 1131343069. The reversal of 1131343032 is 2303431311.

It is a congruent number.

It is an unprimeable number.

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, 55444 + ... + 73052.

Almost surely, 2^1131343032 is an apocalyptic number.

1131343032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1131343032 is an abundant number, since it is smaller than the sum of its proper divisors (1698231768).

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

1131343032 is a wasteful number, since it uses less digits than its factorization.

1131343032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20295 (or 20291 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1131343032 is about 33635.4430920718. The cubic root of 1131343032 is about 1041.9929216795.

Adding to 1131343032 its reverse (2303431311), we get a palindrome (3434774343).

It can be divided in two parts, 11313 and 43032, that added together give a palindrome (54345).

The spelling of 1131343032 in words is "one billion, one hundred thirty-one million, three hundred forty-three thousand, thirty-two".