2142443031 has 8 divisors (see below), whose sum is σ = 2980790400. Its totient is φ = 1366195512.

The previous prime is 2142443011. The next prime is 2142443041. The reversal of 2142443031 is 1303442412.

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

It is not a de Polignac number, because 2142443031 - 2⁵ = 2142442999 is a prime.

It is a super-2 number, since 2×2142443031² = 9180124282160933922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2142442992 and 2142443010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142443011) 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, 15524881 + ... + 15525018.

It is an arithmetic number, because the mean of its divisors is an integer number (372598800).

Almost surely, 2^2142443031 is an apocalyptic number.

2142443031 is a deficient number, since it is larger than the sum of its proper divisors (838347369).

2142443031 is a wasteful number, since it uses less digits than its factorization.

2142443031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31049925.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2142443031 is about 46286.5318532292. The cubic root of 2142443031 is about 1289.1489350662.

Adding to 2142443031 its reverse (1303442412), we get a palindrome (3445885443).

The spelling of 2142443031 in words is "two billion, one hundred forty-two million, four hundred forty-three thousand, thirty-one".