231501044040142 has 8 divisors (see below), whose sum is σ = 362349460236816. Its totient is φ = 110717890627872.

The previous prime is 231501044040089. The next prime is 231501044040157. The reversal of 231501044040142 is 241040440105132.

It is a happy number.

231501044040142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2516315696043 + ... + 2516315696134.

It is an arithmetic number, because the mean of its divisors is an integer number (45293682529602).

Almost surely, 2^{231501044040142} is an apocalyptic number.

231501044040142 is a deficient number, since it is larger than the sum of its proper divisors (130848416196674).

231501044040142 is a wasteful number, since it uses less digits than its factorization.

231501044040142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5032631392202.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 231501044040142 its reverse (241040440105132), we get a palindrome (472541484145274).

The spelling of 231501044040142 in words is "two hundred thirty-one trillion, five hundred one billion, forty-four million, forty thousand, one hundred forty-two".