231002444013 has 64 divisors (see below), whose sum is σ = 341003520000. Its totient is φ = 137940145920.

The previous prime is 231002444009. The next prime is 231002444027. The reversal of 231002444013 is 310444200132.

231002444013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 231002444013 - 2² = 231002444009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231002448013) 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 63 ways as a sum of consecutive naturals, for example, 526201248 + ... + 526201686.

It is an arithmetic number, because the mean of its divisors is an integer number (5328180000).

Almost surely, 2^231002444013 is an apocalyptic number.

It is an amenable number.

231002444013 is a deficient number, since it is larger than the sum of its proper divisors (110001075987).

231002444013 is a wasteful number, since it uses less digits than its factorization.

231002444013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 231002444013 its reverse (310444200132), we get a palindrome (541446644145).

The spelling of 231002444013 in words is "two hundred thirty-one billion, two million, four hundred forty-four thousand, thirteen".