4531231565013 has 16 divisors (see below), whose sum is σ = 6052080805056. Its totient is φ = 3015602108160.

The previous prime is 4531231564999. The next prime is 4531231565023. The reversal of 4531231565013 is 3105651321354.

4531231565013 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 4531231565013 - 2⁹ = 4531231564501 is a prime.

It is a super-2 number, since 2×4531231565013² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4531231565023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66708798 + ... + 66776688.

It is an arithmetic number, because the mean of its divisors is an integer number (378255050316).

Almost surely, 2^{4531231565013} is an apocalyptic number.

It is an amenable number.

4531231565013 is a deficient number, since it is larger than the sum of its proper divisors (1520849240043).

4531231565013 is a wasteful number, since it uses less digits than its factorization.

4531231565013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106004.

The product of its (nonzero) digits is 162000, while the sum is 39.

Adding to 4531231565013 its reverse (3105651321354), we get a palindrome (7636882886367).

The spelling of 4531231565013 in words is "four trillion, five hundred thirty-one billion, two hundred thirty-one million, five hundred sixty-five thousand, thirteen".