4440321131 has 2 divisors, whose sum is σ = 4440321132. Its totient is φ = 4440321130.

The previous prime is 4440321107. The next prime is 4440321133. The reversal of 4440321131 is 1311230444.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4440321131 - 2¹⁰ = 4440320107 is a prime.

It is a super-2 number, since 2×4440321131² = 39432903492810238322, which contains 22 as substring.

Together with 4440321133, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 4440321097 and 4440321106.

It is not a weakly prime, because it can be changed into another prime (4440321133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2220160565 + 2220160566.

It is an arithmetic number, because the mean of its divisors is an integer number (2220160566).

Almost surely, 2^4440321131 is an apocalyptic number.

4440321131 is a deficient number, since it is larger than the sum of its proper divisors (1).

4440321131 is an equidigital number, since it uses as much as digits as its factorization.

4440321131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 4440321131 is about 66635.7346399062. The cubic root of 4440321131 is about 1643.6327772989.

Adding to 4440321131 its reverse (1311230444), we get a palindrome (5751551575).

The spelling of 4440321131 in words is "four billion, four hundred forty million, three hundred twenty-one thousand, one hundred thirty-one".