4031131313 has 16 divisors (see below), whose sum is σ = 4469411520. Its totient is φ = 3604972800.

The previous prime is 4031131309. The next prime is 4031131319. The reversal of 4031131313 is 3131311304.

4031131313 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4031131313 - 2² = 4031131309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4031131319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 592853 + ... + 599613.

It is an arithmetic number, because the mean of its divisors is an integer number (279338220).

Almost surely, 2^4031131313 is an apocalyptic number.

It is an amenable number.

4031131313 is a deficient number, since it is larger than the sum of its proper divisors (438280207).

4031131313 is a wasteful number, since it uses less digits than its factorization.

4031131313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7648.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 4031131313 is about 63491.1908299096. The cubic root of 4031131313 is about 1591.5085708724.

Adding to 4031131313 its reverse (3131311304), we get a palindrome (7162442617).

Subtracting from 4031131313 its reverse (3131311304), we obtain a square (899820009 = 29997²).

The spelling of 4031131313 in words is "four billion, thirty-one million, one hundred thirty-one thousand, three hundred thirteen".