1442334311 has 8 divisors (see below), whose sum is σ = 1574490000. Its totient is φ = 1310351040.

The previous prime is 1442334307. The next prime is 1442334317. The reversal of 1442334311 is 1134332441.

It is a happy number.

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 1442334311 - 2² = 1442334307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442334317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25286 + ... + 59363.

It is an arithmetic number, because the mean of its divisors is an integer number (196811250).

Almost surely, 2^1442334311 is an apocalyptic number.

1442334311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1442334311 is a deficient number, since it is larger than the sum of its proper divisors (132155689).

1442334311 is a wasteful number, since it uses less digits than its factorization.

1442334311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86209.

The product of its digits is 3456, while the sum is 26.

The square root of 1442334311 is about 37978.0767153894. The cubic root of 1442334311 is about 1129.8530915603.

Adding to 1442334311 its reverse (1134332441), we get a palindrome (2576666752).

The spelling of 1442334311 in words is "one billion, four hundred forty-two million, three hundred thirty-four thousand, three hundred eleven".