2231004143 has 4 divisors (see below), whose sum is σ = 2231943528. Its totient is φ = 2230064760.

The previous prime is 2231004137. The next prime is 2231004157. The reversal of 2231004143 is 3414001322.

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 2231004143 - 2¹⁰ = 2231003119 is a prime.

It is a super-3 number, since 3×2231004143³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231004343) 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, 466121 + ... + 470882.

It is an arithmetic number, because the mean of its divisors is an integer number (557985882).

Almost surely, 2^2231004143 is an apocalyptic number.

2231004143 is a deficient number, since it is larger than the sum of its proper divisors (939385).

2231004143 is an equidigital number, since it uses as much as digits as its factorization.

2231004143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939384.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2231004143 is about 47233.5065710773. The cubic root of 2231004143 is about 1306.6726238000.

Adding to 2231004143 its reverse (3414001322), we get a palindrome (5645005465).

The spelling of 2231004143 in words is "two billion, two hundred thirty-one million, four thousand, one hundred forty-three".