2042444231 has 2 divisors, whose sum is σ = 2042444232. Its totient is φ = 2042444230.

The previous prime is 2042444227. The next prime is 2042444251. The reversal of 2042444231 is 1324442402.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2042444231 - 2² = 2042444227 is a prime.

It is a super-2 number, since 2×2042444231² = 8343156873490362722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2042444231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2042444251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021222115 + 1021222116.

It is an arithmetic number, because the mean of its divisors is an integer number (1021222116).

Almost surely, 2^2042444231 is an apocalyptic number.

2042444231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2042444231 is an equidigital number, since it uses as much as digits as its factorization.

2042444231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 2042444231 is about 45193.4091544331. The cubic root of 2042444231 is about 1268.7714639093.

Adding to 2042444231 its reverse (1324442402), we get a palindrome (3366886633).

The spelling of 2042444231 in words is "two billion, forty-two million, four hundred forty-four thousand, two hundred thirty-one".