1442441311 has 2 divisors, whose sum is σ = 1442441312. Its totient is φ = 1442441310.

The previous prime is 1442441293. The next prime is 1442441339. The reversal of 1442441311 is 1131442441.

It is a weak prime.

It is an emirp because it is prime and its reverse (1131442441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1442441311 - 2¹¹ = 1442439263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1442441911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721220655 + 721220656.

It is an arithmetic number, because the mean of its divisors is an integer number (721220656).

Almost surely, 2^1442441311 is an apocalyptic number.

1442441311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442441311 is an equidigital number, since it uses as much as digits as its factorization.

1442441311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536, while the sum is 25.

The square root of 1442441311 is about 37979.4853967244. The cubic root of 1442441311 is about 1129.8810303653.

Adding to 1442441311 its reverse (1131442441), we get a palindrome (2573883752).

The spelling of 1442441311 in words is "one billion, four hundred forty-two million, four hundred forty-one thousand, three hundred eleven".