2144431100031 has 16 divisors (see below), whose sum is σ = 3119237546880. Its totient is φ = 1299628113120.

The previous prime is 2144431099981. The next prime is 2144431100047. The reversal of 2144431100031 is 1300011344412.

It is not a de Polignac number, because 2144431100031 - 2⁷ = 2144431099903 is a prime.

It is a super-2 number, since 2×2144431100031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2144431099974 and 2144431100010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144431100081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 990456 + ... + 2295618.

It is an arithmetic number, because the mean of its divisors is an integer number (194952346680).

Almost surely, 2^{2144431100031} is an apocalyptic number.

2144431100031 is a deficient number, since it is larger than the sum of its proper divisors (974806446849).

2144431100031 is a wasteful number, since it uses less digits than its factorization.

2144431100031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354966.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 2144431100031 its reverse (1300011344412), we get a palindrome (3444442444443).

The spelling of 2144431100031 in words is "two trillion, one hundred forty-four billion, four hundred thirty-one million, one hundred thousand, thirty-one".