231241120002 has 40 divisors (see below), whose sum is σ = 520301492172. Its totient is φ = 76760524800.

The previous prime is 231241120001. The next prime is 231241120007. The reversal of 231241120002 is 200021142132.

It is a happy number.

231241120002 is a `hidden beast` number, since 231 + 2 + 411 + 20 + 0 + 0 + 2 = 666.

231241120002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 231054223761 + 186896241 = 480681^2 + 13671^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (231241120001) 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 19 ways as a sum of consecutive naturals, for example, 2922399 + ... + 3000482.

Almost surely, 2^231241120002 is an apocalyptic number.

231241120002 is an abundant number, since it is smaller than the sum of its proper divisors (289060372170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231241120002 is a wasteful number, since it uses less digits than its factorization.

231241120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5923136 (or 5923127 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 231241120002 its reverse (200021142132), we get a palindrome (431262262134).

The spelling of 231241120002 in words is "two hundred thirty-one billion, two hundred forty-one million, one hundred twenty thousand, two".