2144200352431 has 4 divisors (see below), whose sum is σ = 2159851450032. Its totient is φ = 2128549254832.

The previous prime is 2144200352401. The next prime is 2144200352443. The reversal of 2144200352431 is 1342530024412.

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 2144200352431 - 2³⁹ = 1594444538543 is a prime.

It is a super-2 number, since 2×2144200352431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2144200352393 and 2144200352402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144200352401) 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, 7825548595 + ... + 7825548868.

It is an arithmetic number, because the mean of its divisors is an integer number (539962862508).

Almost surely, 2^{2144200352431} is an apocalyptic number.

2144200352431 is a deficient number, since it is larger than the sum of its proper divisors (15651097601).

2144200352431 is a wasteful number, since it uses less digits than its factorization.

2144200352431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15651097600.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 2144200352431 its reverse (1342530024412), we get a palindrome (3486730376843).

The spelling of 2144200352431 in words is "two trillion, one hundred forty-four billion, two hundred million, three hundred fifty-two thousand, four hundred thirty-one".