4231444302142 has 4 divisors (see below), whose sum is σ = 6347166453216. Its totient is φ = 2115722151070.

The previous prime is 4231444302139. The next prime is 4231444302161. The reversal of 4231444302142 is 2412034441324.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 4231444302098 and 4231444302107.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1057861075534 + ... + 1057861075537.

It is an arithmetic number, because the mean of its divisors is an integer number (1586791613304).

Almost surely, 2^{4231444302142} is an apocalyptic number.

4231444302142 is a deficient number, since it is larger than the sum of its proper divisors (2115722151074).

4231444302142 is a wasteful number, since it uses less digits than its factorization.

4231444302142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115722151073.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 4231444302142 its reverse (2412034441324), we get a palindrome (6643478743466).

The spelling of 4231444302142 in words is "four trillion, two hundred thirty-one billion, four hundred forty-four million, three hundred two thousand, one hundred forty-two".