4042340331 has 4 divisors (see below), whose sum is σ = 5389787112. Its totient is φ = 2694893552.

The previous prime is 4042340311. The next prime is 4042340339. The reversal of 4042340331 is 1330432404.

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

It is a cyclic number.

It is not a de Polignac number, because 4042340331 - 2¹⁰ = 4042339307 is a prime.

It is a super-2 number, since 2×4042340331² = 32681030703258379122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4042340339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 673723386 + ... + 673723391.

It is an arithmetic number, because the mean of its divisors is an integer number (1347446778).

Almost surely, 2^4042340331 is an apocalyptic number.

4042340331 is a deficient number, since it is larger than the sum of its proper divisors (1347446781).

4042340331 is a wasteful number, since it uses less digits than its factorization.

4042340331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347446780.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 4042340331 is about 63579.4017823383. The cubic root of 4042340331 is about 1592.9823291175.

Adding to 4042340331 its reverse (1330432404), we get a palindrome (5372772735).

The spelling of 4042340331 in words is "four billion, forty-two million, three hundred forty thousand, three hundred thirty-one".