1113312000 has 144 divisors (see below), whose sum is σ = 3698184672. Its totient is φ = 296857600.

The previous prime is 1113311993. The next prime is 1113312019. The reversal of 1113312000 is 2133111.

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

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, 90202 + ... + 101798.

It is an arithmetic number, because the mean of its divisors is an integer number (25681838).

Almost surely, 2^1113312000 is an apocalyptic number.

1113312000 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 1113312000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1849092336).

1113312000 is an abundant number, since it is smaller than the sum of its proper divisors (2584872672).

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

1113312000 is an equidigital number, since it uses as much as digits as its factorization.

1113312000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11631 (or 11607 counting only the distinct ones).

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

The square root of 1113312000 is about 33366.3303346352. The cubic root of 1113312000 is about 1036.4275849625.

Adding to 1113312000 its reverse (2133111), we get a palindrome (1115445111).

The spelling of 1113312000 in words is "one billion, one hundred thirteen million, three hundred twelve thousand".