1144044331 has 2 divisors, whose sum is σ = 1144044332. Its totient is φ = 1144044330.

The previous prime is 1144044323. The next prime is 1144044389. The reversal of 1144044331 is 1334404411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1144044331 - 2³ = 1144044323 is a prime.

It is a super-2 number, since 2×1144044331² = 2617674862586475122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1144044296 and 1144044305.

It is not a weakly prime, because it can be changed into another prime (1144044731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572022165 + 572022166.

It is an arithmetic number, because the mean of its divisors is an integer number (572022166).

Almost surely, 2^1144044331 is an apocalyptic number.

1144044331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144044331 is an equidigital number, since it uses as much as digits as its factorization.

1144044331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 1144044331 is about 33823.7243809726. The cubic root of 1144044331 is about 1045.8778155621.

Adding to 1144044331 its reverse (1334404411), we get a palindrome (2478448742).

The spelling of 1144044331 in words is "one billion, one hundred forty-four million, forty-four thousand, three hundred thirty-one".