1130031100 has 108 divisors (see below), whose sum is σ = 2741333224. Its totient is φ = 403920000.

The previous prime is 1130031083. The next prime is 1130031107. The reversal of 1130031100 is 11300311.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130031107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 737335 + ... + 738865.

Almost surely, 2^1130031100 is an apocalyptic number.

1130031100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1130031100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1370666612).

1130031100 is an abundant number, since it is smaller than the sum of its proper divisors (1611302124).

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

1130031100 is a wasteful number, since it uses less digits than its factorization.

1130031100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628 (or 1610 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 10.

The square root of 1130031100 is about 33615.9352093616. The cubic root of 1130031100 is about 1041.5899927208.

Adding to 1130031100 its reverse (11300311), we get a palindrome (1141331411).

1130031100 divided by its reverse (11300311) gives a square (100 = 10²).

The spelling of 1130031100 in words is "one billion, one hundred thirty million, thirty-one thousand, one hundred".