2231144143 has 2 divisors, whose sum is σ = 2231144144. Its totient is φ = 2231144142.

The previous prime is 2231144137. The next prime is 2231144147. The reversal of 2231144143 is 3414411322.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2231144143 is a prime.

It is a super-3 number, since 3×2231144143³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2231144147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115572071 + 1115572072.

It is an arithmetic number, because the mean of its divisors is an integer number (1115572072).

Almost surely, 2^2231144143 is an apocalyptic number.

2231144143 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231144143 is an equidigital number, since it uses as much as digits as its factorization.

2231144143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 25.

The square root of 2231144143 is about 47234.9885466272. The cubic root of 2231144143 is about 1306.6999553406.

Adding to 2231144143 its reverse (3414411322), we get a palindrome (5645555465).

The spelling of 2231144143 in words is "two billion, two hundred thirty-one million, one hundred forty-four thousand, one hundred forty-three".