231402044042 has 32 divisors (see below), whose sum is σ = 378615175680. Its totient is φ = 105426696960.

The previous prime is 231402044033. The next prime is 231402044087. The reversal of 231402044042 is 240440204132.

It is a happy number.

231402044042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

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, 13303283 + ... + 13320665.

It is an arithmetic number, because the mean of its divisors is an integer number (11831724240).

Almost surely, 2^231402044042 is an apocalyptic number.

231402044042 is a deficient number, since it is larger than the sum of its proper divisors (147213131638).

231402044042 is a wasteful number, since it uses less digits than its factorization.

231402044042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23958.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 231402044042 its reverse (240440204132), we get a palindrome (471842248174).

The spelling of 231402044042 in words is "two hundred thirty-one billion, four hundred two million, forty-four thousand, forty-two".