2143811334 has 16 divisors (see below), whose sum is σ = 4900140288. Its totient is φ = 612517512.

The previous prime is 2143811323. The next prime is 2143811429. The reversal of 2143811334 is 4331183412.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25521522 + ... + 25521605.

It is an arithmetic number, because the mean of its divisors is an integer number (306258768).

Almost surely, 2^2143811334 is an apocalyptic number.

2143811334 is an abundant number, since it is smaller than the sum of its proper divisors (2756328954).

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

2143811334 is a wasteful number, since it uses less digits than its factorization.

2143811334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51043139.

The product of its digits is 6912, while the sum is 30.

The square root of 2143811334 is about 46301.3102838354. The cubic root of 2143811334 is about 1289.4233213531.

Adding to 2143811334 its reverse (4331183412), we get a palindrome (6474994746).

The spelling of 2143811334 in words is "two billion, one hundred forty-three million, eight hundred eleven thousand, three hundred thirty-four".