2144001231 has 20 divisors (see below), whose sum is σ = 3204528184. Its totient is φ = 1428548400.

The previous prime is 2144001229. The next prime is 2144001239. The reversal of 2144001231 is 1321004412.

It is not a de Polignac number, because 2144001231 - 2¹ = 2144001229 is a prime.

It is a super-2 number, since 2×2144001231² = 9193482557059030722, which contains 22 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 (2144001239) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 166401 + ... + 178821.

Almost surely, 2^2144001231 is an apocalyptic number.

2144001231 is a deficient number, since it is larger than the sum of its proper divisors (1060526953).

2144001231 is a wasteful number, since it uses less digits than its factorization.

2144001231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14564 (or 14555 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2144001231 is about 46303.3609039344. The cubic root of 2144001231 is about 1289.4613922392.

Adding to 2144001231 its reverse (1321004412), we get a palindrome (3465005643).

The spelling of 2144001231 in words is "two billion, one hundred forty-four million, one thousand, two hundred thirty-one".