2042431031 has 8 divisors (see below), whose sum is σ = 2093018928. Its totient is φ = 1991880000.

The previous prime is 2042431021. The next prime is 2042431033. The reversal of 2042431031 is 1301342402.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2042431031 is a prime.

It is a super-2 number, since 2×2042431031² = 8343049032783445922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2042430994 and 2042431012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042431033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127796 + ... + 142886.

It is an arithmetic number, because the mean of its divisors is an integer number (261627366).

Almost surely, 2^2042431031 is an apocalyptic number.

2042431031 is a deficient number, since it is larger than the sum of its proper divisors (50587897).

2042431031 is a wasteful number, since it uses less digits than its factorization.

2042431031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18433.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2042431031 is about 45193.2631152034. The cubic root of 2042431031 is about 1268.7687306124.

Adding to 2042431031 its reverse (1301342402), we get a palindrome (3343773433).

The spelling of 2042431031 in words is "two billion, forty-two million, four hundred thirty-one thousand, thirty-one".