1442301331 has 4 divisors (see below), whose sum is σ = 1442402632. Its totient is φ = 1442200032.

The previous prime is 1442301251. The next prime is 1442301347. The reversal of 1442301331 is 1331032441.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1331032441 = 19 ⋅70054339.

It is a cyclic number.

It is not a de Polignac number, because 1442301331 - 2¹¹ = 1442299283 is a prime.

It is a super-2 number, since 2×1442301331² = 4160466258808743122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1442307331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24945 + ... + 59218.

It is an arithmetic number, because the mean of its divisors is an integer number (360600658).

Almost surely, 2^1442301331 is an apocalyptic number.

1442301331 is a deficient number, since it is larger than the sum of its proper divisors (101301).

1442301331 is an equidigital number, since it uses as much as digits as its factorization.

1442301331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101300.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1442301331 is about 37977.6425150377. The cubic root of 1442301331 is about 1129.8444798631.

Adding to 1442301331 its reverse (1331032441), we get a palindrome (2773333772).

The spelling of 1442301331 in words is "one billion, four hundred forty-two million, three hundred one thousand, three hundred thirty-one".