4042545231 has 8 divisors (see below), whose sum is σ = 5395547520. Its totient is φ = 2692286552.

The previous prime is 4042545229. The next prime is 4042545259. The reversal of 4042545231 is 1325452404.

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 4042545231 - 2¹ = 4042545229 is a prime.

It is a super-2 number, since 2×4042545231² = 32684343889361686722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042545271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 682461 + ... + 688358.

It is an arithmetic number, because the mean of its divisors is an integer number (674443440).

Almost surely, 2^4042545231 is an apocalyptic number.

4042545231 is a deficient number, since it is larger than the sum of its proper divisors (1353002289).

4042545231 is a wasteful number, since it uses less digits than its factorization.

4042545231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371805.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 4042545231 is about 63581.0131328528. The cubic root of 4042545231 is about 1593.0092439356.

Adding to 4042545231 its reverse (1325452404), we get a palindrome (5367997635).

The spelling of 4042545231 in words is "four billion, forty-two million, five hundred forty-five thousand, two hundred thirty-one".