2144002031 has 4 divisors (see below), whose sum is σ = 2145957552. Its totient is φ = 2142046512.

The previous prime is 2144002019. The next prime is 2144002051. The reversal of 2144002031 is 1302004412.

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 2144002031 - 2³⁰ = 1070260207 is a prime.

It is a super-2 number, since 2×2144002031² = 9193489417864249922, 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 (2144002001) 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, 976115 + ... + 978308.

It is an arithmetic number, because the mean of its divisors is an integer number (536489388).

Almost surely, 2^2144002031 is an apocalyptic number.

2144002031 is a deficient number, since it is larger than the sum of its proper divisors (1955521).

2144002031 is a wasteful number, since it uses less digits than its factorization.

2144002031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955520.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2144002031 is about 46303.3695426154. The cubic root of 2144002031 is about 1289.4615526199.

Adding to 2144002031 its reverse (1302004412), we get a palindrome (3446006443).

The spelling of 2144002031 in words is "two billion, one hundred forty-four million, two thousand, thirty-one".