1143313110 has 128 divisors (see below), whose sum is σ = 3178137600. Its totient is φ = 292118400.

The previous prime is 1143313091. The next prime is 1143313123. The reversal of 1143313110 is 113133411.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1181847 + ... + 1182813.

It is an arithmetic number, because the mean of its divisors is an integer number (24829200).

Almost surely, 2^1143313110 is an apocalyptic number.

1143313110 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 1143313110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1589068800).

1143313110 is an abundant number, since it is smaller than the sum of its proper divisors (2034824490).

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

1143313110 is a wasteful number, since it uses less digits than its factorization.

1143313110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163 (or 1157 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1143313110 is about 33812.9133616138. The cubic root of 1143313110 is about 1045.6549422595.

Adding to 1143313110 its reverse (113133411), we get a palindrome (1256446521).

The spelling of 1143313110 in words is "one billion, one hundred forty-three million, three hundred thirteen thousand, one hundred ten".