1133231320 has 32 divisors (see below), whose sum is σ = 2745907920. Its totient is φ = 418423680.

The previous prime is 1133231303. The next prime is 1133231327. The reversal of 1133231320 is 231323311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133231327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1089126 + ... + 1090165.

Almost surely, 2^1133231320 is an apocalyptic number.

1133231320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1133231320 is an abundant number, since it is smaller than the sum of its proper divisors (1612676600).

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

1133231320 is a wasteful number, since it uses less digits than its factorization.

1133231320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179315 (or 2179311 counting only the distinct ones).

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

The square root of 1133231320 is about 33663.5013033404. The cubic root of 1133231320 is about 1042.5723183235.

Adding to 1133231320 its reverse (231323311), we get a palindrome (1364554631).

The spelling of 1133231320 in words is "one billion, one hundred thirty-three million, two hundred thirty-one thousand, three hundred twenty".