2144311000 has 128 divisors (see below), whose sum is σ = 5432132160. Its totient is φ = 787584000.

The previous prime is 2144310977. The next prime is 2144311007. The reversal of 2144311000 is 1134412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144311007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3652707 + ... + 3653293.

Almost surely, 2^2144311000 is an apocalyptic number.

2144311000 is a gapful number since it is divisible by the number (20) 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 2144311000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2716066080).

2144311000 is an abundant number, since it is smaller than the sum of its proper divisors (3287821160).

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

2144311000 is a wasteful number, since it uses less digits than its factorization.

2144311000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902 (or 888 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2144311000 is about 46306.7057778892. The cubic root of 2144311000 is about 1289.5234904514.

Adding to 2144311000 its reverse (1134412), we get a palindrome (2145445412).

The spelling of 2144311000 in words is "two billion, one hundred forty-four million, three hundred eleven thousand".