4444131313 has 12 divisors (see below), whose sum is σ = 4830730960. Its totient is φ = 4085428032.

The previous prime is 4444131301. The next prime is 4444131319. The reversal of 4444131313 is 3131314444.

It is a happy number.

It is not a de Polignac number, because 4444131313 - 2¹³ = 4444123121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4444131319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166383 + ... + 191236.

Almost surely, 2^4444131313 is an apocalyptic number.

4444131313 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

4444131313 is a deficient number, since it is larger than the sum of its proper divisors (386599647).

4444131313 is a wasteful number, since it uses less digits than its factorization.

4444131313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357696 (or 357679 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 4444131313 is about 66664.3181394665. The cubic root of 4444131313 is about 1644.1027695527.

Adding to 4444131313 its reverse (3131314444), we get a palindrome (7575445757).

It can be divided in two parts, 4444131 and 313, that added together give a palindrome (4444444).

The spelling of 4444131313 in words is "four billion, four hundred forty-four million, one hundred thirty-one thousand, three hundred thirteen".