1131133100 has 36 divisors (see below), whose sum is σ = 2561283984. Its totient is φ = 432780480.

The previous prime is 1131133057. The next prime is 1131133127. The reversal of 1131133100 is 13311311.

It is a happy number.

1131133100 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1131133100² = 2558924179831220000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 243599 + ... + 248198.

Almost surely, 2^1131133100 is an apocalyptic number.

1131133100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131133100 is an abundant number, since it is smaller than the sum of its proper divisors (1430150884).

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

1131133100 is a wasteful number, since it uses less digits than its factorization.

1131133100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491834 (or 491827 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 1131133100 is about 33632.3222510727. The cubic root of 1131133100 is about 1041.9284669611.

Adding to 1131133100 its reverse (13311311), we get a palindrome (1144444411).

The spelling of 1131133100 in words is "one billion, one hundred thirty-one million, one hundred thirty-three thousand, one hundred".