13211142143 has 4 divisors (see below), whose sum is σ = 13211379048. Its totient is φ = 13210905240.

The previous prime is 13211142137. The next prime is 13211142169. The reversal of 13211142143 is 34124111231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13211142143 - 2⁶ = 13211142079 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 (13211147143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16280 + ... + 163362.

It is an arithmetic number, because the mean of its divisors is an integer number (3302844762).

Almost surely, 2^13211142143 is an apocalyptic number.

13211142143 is a deficient number, since it is larger than the sum of its proper divisors (236905).

13211142143 is an equidigital number, since it uses as much as digits as its factorization.

13211142143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236904.

The product of its digits is 576, while the sum is 23.

Adding to 13211142143 its reverse (34124111231), we get a palindrome (47335253374).

The spelling of 13211142143 in words is "thirteen billion, two hundred eleven million, one hundred forty-two thousand, one hundred forty-three".