2144004131 has 4 divisors (see below), whose sum is σ = 2145158064. Its totient is φ = 2142850200.

The previous prime is 2144004101. The next prime is 2144004139. The reversal of 2144004131 is 1314004412.

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 2144004131 - 2¹⁰ = 2144003107 is a prime.

It is a super-2 number, since 2×2144004131² = 9193507427490130322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2144004139) 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, 574175 + ... + 577896.

It is an arithmetic number, because the mean of its divisors is an integer number (536289516).

Almost surely, 2^2144004131 is an apocalyptic number.

2144004131 is a deficient number, since it is larger than the sum of its proper divisors (1153933).

2144004131 is a wasteful number, since it uses less digits than its factorization.

2144004131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153932.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2144004131 is about 46303.3922191452. The cubic root of 2144004131 is about 1289.4619736189.

Adding to 2144004131 its reverse (1314004412), we get a palindrome (3458008543).

The spelling of 2144004131 in words is "two billion, one hundred forty-four million, four thousand, one hundred thirty-one".