1131013104 has 80 divisors (see below), whose sum is σ = 3165026592. Its totient is φ = 345959424.

The previous prime is 1131013073. The next prime is 1131013129. The reversal of 1131013104 is 4013101311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102714 + ... + 113190.

Almost surely, 2^1131013104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1131013104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1582513296).

1131013104 is an abundant number, since it is smaller than the sum of its proper divisors (2034013488).

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

1131013104 is a wasteful number, since it uses less digits than its factorization.

1131013104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10674 (or 10668 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1131013104 is about 33630.5382650947. The cubic root of 1131013104 is about 1041.8916214093.

Adding to 1131013104 its reverse (4013101311), we get a palindrome (5144114415).

The spelling of 1131013104 in words is "one billion, one hundred thirty-one million, thirteen thousand, one hundred four".