2143420341311 has 16 divisors (see below), whose sum is σ = 2203300608000. Its totient is φ = 2084166298368.

The previous prime is 2143420341289. The next prime is 2143420341317. The reversal of 2143420341311 is 1131430243412.

It is a cyclic number.

It is not a de Polignac number, because 2143420341311 - 2¹⁰ = 2143420340287 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 (2143420341317) 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, 6124310 + ... + 6464828.

It is an arithmetic number, because the mean of its divisors is an integer number (137706288000).

Almost surely, 2^{2143420341311} is an apocalyptic number.

2143420341311 is a deficient number, since it is larger than the sum of its proper divisors (59880266689).

2143420341311 is a wasteful number, since it uses less digits than its factorization.

2143420341311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341438.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 2143420341311 its reverse (1131430243412), we get a palindrome (3274850584723).

The spelling of 2143420341311 in words is "two trillion, one hundred forty-three billion, four hundred twenty million, three hundred forty-one thousand, three hundred eleven".