2042431 has 8 divisors (see below), whose sum is σ = 2175120. Its totient is φ = 1911168.

The previous prime is 2042429. The next prime is 2042449. The reversal of 2042431 is 1342402.

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 2042431 - 2¹ = 2042429 is a prime.

It is a super-2 number, since 2×2042431² = 8343048779522, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042401) 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, 5200 + ... + 5578.

It is an arithmetic number, because the mean of its divisors is an integer number (271890).

2^2042431 is an apocalyptic number.

2042431 is a deficient number, since it is larger than the sum of its proper divisors (132689).

2042431 is a wasteful number, since it uses less digits than its factorization.

2042431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2042431 is about 1429.1364525475. The cubic root of 2042431 is about 126.8768724193.

Adding to 2042431 its reverse (1342402), we get a palindrome (3384833).

The spelling of 2042431 in words is "two million, forty-two thousand, four hundred thirty-one".