1130231100 has 36 divisors (see below), whose sum is σ = 3270136184. Its totient is φ = 301394880.

The previous prime is 1130231087. The next prime is 1130231143. The reversal of 1130231100 is 11320311.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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, 1883419 + ... + 1884018.

Almost surely, 2^1130231100 is an apocalyptic number.

1130231100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1130231100 is an abundant number, since it is smaller than the sum of its proper divisors (2139905084).

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

1130231100 is a wasteful number, since it uses less digits than its factorization.

1130231100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767454 (or 3767447 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1130231100 is about 33618.9098574002. The cubic root of 1130231100 is about 1041.6514381418.

Adding to 1130231100 its reverse (11320311), we get a palindrome (1141551411).

The spelling of 1130231100 in words is "one billion, one hundred thirty million, two hundred thirty-one thousand, one hundred".