1113231210 has 256 divisors, whose sum is σ = 3441844224. Its totient is φ = 224197632.

The previous prime is 1113231209. The next prime is 1113231227. The reversal of 1113231210 is 121323111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1113231210.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 10403977 + ... + 10404083.

It is an arithmetic number, because the mean of its divisors is an integer number (13444704).

Almost surely, 2^1113231210 is an apocalyptic number.

1113231210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1113231210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1720922112).

1113231210 is an abundant number, since it is smaller than the sum of its proper divisors (2328613014).

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

1113231210 is a wasteful number, since it uses less digits than its factorization.

1113231210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277.

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

The square root of 1113231210 is about 33365.1196611072. The cubic root of 1113231210 is about 1036.4025141198.

Adding to 1113231210 its reverse (121323111), we get a palindrome (1234554321).

The spelling of 1113231210 in words is "one billion, one hundred thirteen million, two hundred thirty-one thousand, two hundred ten".