4243142331 has 6 divisors (see below), whose sum is σ = 6128983380. Its totient is φ = 2828761548.

The previous prime is 4243142311. The next prime is 4243142333. The reversal of 4243142331 is 1332413424.

4243142331 is a `hidden beast` number, since 424 + 3 + 1 + 4 + 233 + 1 = 666.

It is not a de Polignac number, because 4243142331 - 2¹⁷ = 4243011259 is a prime.

It is a super-2 number, since 2×4243142331² = 36008513682248227122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4243142295 and 4243142304.

It is not an unprimeable number, because it can be changed into a prime (4243142333) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 235730121 + ... + 235730138.

It is an arithmetic number, because the mean of its divisors is an integer number (1021497230).

Almost surely, 2^4243142331 is an apocalyptic number.

4243142331 is a deficient number, since it is larger than the sum of its proper divisors (1885841049).

4243142331 is a wasteful number, since it uses less digits than its factorization.

4243142331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471460265 (or 471460262 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 4243142331 is about 65139.4068978218. The cubic root of 4243142331 is about 1618.9342086677.

Adding to 4243142331 its reverse (1332413424), we get a palindrome (5575555755).

The spelling of 4243142331 in words is "four billion, two hundred forty-three million, one hundred forty-two thousand, three hundred thirty-one".