1133131100 has 18 divisors (see below), whose sum is σ = 2458894704. Its totient is φ = 453252400.

The previous prime is 1133131093. The next prime is 1133131157. The reversal of 1133131100 is 11313311.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5665556 + ... + 5665755.

Almost surely, 2^1133131100 is an apocalyptic number.

1133131100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1133131100 is an abundant number, since it is smaller than the sum of its proper divisors (1325763604).

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

1133131100 is a wasteful number, since it uses less digits than its factorization.

1133131100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11331325 (or 11331318 counting only the distinct ones).

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

The square root of 1133131100 is about 33662.0127146313. The cubic root of 1133131100 is about 1042.5415832988.

Adding to 1133131100 its reverse (11313311), we get a palindrome (1144444411).

The spelling of 1133131100 in words is "one billion, one hundred thirty-three million, one hundred thirty-one thousand, one hundred".