2231142143 has 16 divisors (see below), whose sum is σ = 2357693280. Its totient is φ = 2108975616.

The previous prime is 2231142131. The next prime is 2231142181. The reversal of 2231142143 is 3412411322.

It is not a de Polignac number, because 2231142143 - 2⁶ = 2231142079 is a prime.

It is a super-3 number, since 3×2231142143³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231142343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174803 + ... + 187131.

It is an arithmetic number, because the mean of its divisors is an integer number (147355830).

Almost surely, 2^2231142143 is an apocalyptic number.

2231142143 is a deficient number, since it is larger than the sum of its proper divisors (126551137).

2231142143 is a wasteful number, since it uses less digits than its factorization.

2231142143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12506.

The product of its digits is 1152, while the sum is 23.

The square root of 2231142143 is about 47234.9673758753. The cubic root of 2231142143 is about 1306.6995648981.

Adding to 2231142143 its reverse (3412411322), we get a palindrome (5643553465).

The spelling of 2231142143 in words is "two billion, two hundred thirty-one million, one hundred forty-two thousand, one hundred forty-three".