4031231545 has 16 divisors (see below), whose sum is σ = 5356018368. Its totient is φ = 2888043840.

The previous prime is 4031231531. The next prime is 4031231549. The reversal of 4031231545 is 5451321304.

It is not a de Polignac number, because 4031231545 - 2³¹ = 1883747897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4031231549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 543294 + ... + 550663.

It is an arithmetic number, because the mean of its divisors is an integer number (334751148).

Almost surely, 2^4031231545 is an apocalyptic number.

It is an amenable number.

4031231545 is a deficient number, since it is larger than the sum of its proper divisors (1324786823).

4031231545 is a wasteful number, since it uses less digits than its factorization.

4031231545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094040.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 4031231545 is about 63491.9801628521. The cubic root of 4031231545 is about 1591.5217614428.

Adding to 4031231545 its reverse (5451321304), we get a palindrome (9482552849).

The spelling of 4031231545 in words is "four billion, thirty-one million, two hundred thirty-one thousand, five hundred forty-five".