2142444131 has 8 divisors (see below), whose sum is σ = 2216561664. Its totient is φ = 2068639560.

The previous prime is 2142444121. The next prime is 2142444163. The reversal of 2142444131 is 1314442412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2142444131 - 2¹⁴ = 2142427747 is a prime.

It is a super-2 number, since 2×2142444131² = 9180133708912690322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2142444131.

It is not an unprimeable number, because it can be changed into a prime (2142444121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64271 + ... + 91736.

It is an arithmetic number, because the mean of its divisors is an integer number (277070208).

Almost surely, 2^2142444131 is an apocalyptic number.

2142444131 is a deficient number, since it is larger than the sum of its proper divisors (74117533).

2142444131 is a wasteful number, since it uses less digits than its factorization.

2142444131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156481.

The product of its digits is 3072, while the sum is 26.

The square root of 2142444131 is about 46286.5437357338. The cubic root of 2142444131 is about 1289.1491556965.

Adding to 2142444131 its reverse (1314442412), we get a palindrome (3456886543).

The spelling of 2142444131 in words is "two billion, one hundred forty-two million, four hundred forty-four thousand, one hundred thirty-one".