4031311325 has 6 divisors (see below), whose sum is σ = 4998826074. Its totient is φ = 3225049040.

The previous prime is 4031311321. The next prime is 4031311327. The reversal of 4031311325 is 5231131304.

It can be written as a sum of positive squares in 3 ways, for example, as 434430649 + 3596880676 = 20843^2 + 59974^2 .

It is not a de Polignac number, because 4031311325 - 2² = 4031311321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4031311325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4031311321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 80626202 + ... + 80626251.

It is an arithmetic number, because the mean of its divisors is an integer number (833137679).

Almost surely, 2^4031311325 is an apocalyptic number.

It is an amenable number.

4031311325 is a deficient number, since it is larger than the sum of its proper divisors (967514749).

4031311325 is a wasteful number, since it uses less digits than its factorization.

4031311325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161252463 (or 161252458 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 4031311325 is about 63492.6084280682. The cubic root of 4031311325 is about 1591.5322603658.

Adding to 4031311325 its reverse (5231131304), we get a palindrome (9262442629).

The spelling of 4031311325 in words is "four billion, thirty-one million, three hundred eleven thousand, three hundred twenty-five".