1442364331 has 2 divisors, whose sum is σ = 1442364332. Its totient is φ = 1442364330.

The previous prime is 1442364307. The next prime is 1442364389. The reversal of 1442364331 is 1334632441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1442364331 - 2⁵ = 1442364299 is a prime.

It is a super-2 number, since 2×1442364331² = 4160829726682155122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1442364293 and 1442364302.

It is not a weakly prime, because it can be changed into another prime (1442364731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721182165 + 721182166.

It is an arithmetic number, because the mean of its divisors is an integer number (721182166).

Almost surely, 2^1442364331 is an apocalyptic number.

1442364331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442364331 is an equidigital number, since it uses as much as digits as its factorization.

1442364331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 31.

The square root of 1442364331 is about 37978.4719413512. The cubic root of 1442364331 is about 1129.8609302317.

Adding to 1442364331 its reverse (1334632441), we get a palindrome (2776996772).

The spelling of 1442364331 in words is "one billion, four hundred forty-two million, three hundred sixty-four thousand, three hundred thirty-one".