2143234420311 has 16 divisors (see below), whose sum is σ = 2948788980608. Its totient is φ = 1383617440800.

The previous prime is 2143234420297. The next prime is 2143234420331. The reversal of 2143234420311 is 1130244323412.

It is not a de Polignac number, because 2143234420311 - 2²⁵ = 2143200865879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143234420331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45731125 + ... + 45777966.

It is an arithmetic number, because the mean of its divisors is an integer number (184299311288).

Almost surely, 2^{2143234420311} is an apocalyptic number.

2143234420311 is a deficient number, since it is larger than the sum of its proper divisors (805554560297).

2143234420311 is a wasteful number, since it uses less digits than its factorization.

2143234420311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91509342.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 2143234420311 its reverse (1130244323412), we get a palindrome (3273478743723).

The spelling of 2143234420311 in words is "two trillion, one hundred forty-three billion, two hundred thirty-four million, four hundred twenty thousand, three hundred eleven".