1442244311 has 2 divisors, whose sum is σ = 1442244312. Its totient is φ = 1442244310.

The previous prime is 1442244253. The next prime is 1442244319. The reversal of 1442244311 is 1134422441.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1442244311 is a prime.

It is a super-2 number, since 2×1442244311² = 4160137305223729442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1442244319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721122155 + 721122156.

It is an arithmetic number, because the mean of its divisors is an integer number (721122156).

Almost surely, 2^1442244311 is an apocalyptic number.

1442244311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442244311 is an equidigital number, since it uses as much as digits as its factorization.

1442244311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3072, while the sum is 26.

The square root of 1442244311 is about 37976.8918027792. The cubic root of 1442244311 is about 1129.8295905609.

Adding to 1442244311 its reverse (1134422441), we get a palindrome (2576666752).

The spelling of 1442244311 in words is "one billion, four hundred forty-two million, two hundred forty-four thousand, three hundred eleven".