1130131100 has 108 divisors (see below), whose sum is σ = 3020806656. Its totient is φ = 364654080.

The previous prime is 1130131097. The next prime is 1130131109. The reversal of 1130131100 is 11310311.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130131109) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 76517 + ... + 90083.

It is an arithmetic number, because the mean of its divisors is an integer number (27970432).

Almost surely, 2^1130131100 is an apocalyptic number.

1130131100 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 1130131100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1510403328).

1130131100 is an abundant number, since it is smaller than the sum of its proper divisors (1890675556).

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

1130131100 is a wasteful number, since it uses less digits than its factorization.

1130131100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13612 (or 13598 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 1130131100 is about 33617.4225662825. The cubic root of 1130131100 is about 1041.6207163375.

Adding to 1130131100 its reverse (11310311), we get a palindrome (1141441411).

The spelling of 1130131100 in words is "one billion, one hundred thirty million, one hundred thirty-one thousand, one hundred".