1131133332 has 48 divisors (see below), whose sum is σ = 3113664512. Its totient is φ = 312755040.

The previous prime is 1131133291. The next prime is 1131133343. The reversal of 1131133332 is 2333311311.

It is a super-2 number, since 2×1131133332² = 2558925229522844448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

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

It is a junction number, because it is equal to n+sod(n) for n = 1131133299 and 1131133308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214588 + ... + 219795.

Almost surely, 2^1131133332 is an apocalyptic number.

1131133332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1131133332 is an abundant number, since it is smaller than the sum of its proper divisors (1982531180).

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

1131133332 is a wasteful number, since it uses less digits than its factorization.

1131133332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434428 (or 434426 counting only the distinct ones).

The product of its digits is 486, while the sum is 21.

The square root of 1131133332 is about 33632.3257001356. The cubic root of 1131133332 is about 1041.9285381957.

Adding to 1131133332 its reverse (2333311311), we get a palindrome (3464444643).

The spelling of 1131133332 in words is "one billion, one hundred thirty-one million, one hundred thirty-three thousand, three hundred thirty-two".