231113042142 has 16 divisors (see below), whose sum is σ = 466802581392. Its totient is φ = 76274931200.

The previous prime is 231113042141. The next prime is 231113042189. The reversal of 231113042142 is 241240311132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231113042141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190686723 + ... + 190687934.

It is an arithmetic number, because the mean of its divisors is an integer number (29175161337).

Almost surely, 2^231113042142 is an apocalyptic number.

231113042142 is an abundant number, since it is smaller than the sum of its proper divisors (235689539250).

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

231113042142 is a wasteful number, since it uses less digits than its factorization.

231113042142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381374763.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 231113042142 its reverse (241240311132), we get a palindrome (472353353274).

The spelling of 231113042142 in words is "two hundred thirty-one billion, one hundred thirteen million, forty-two thousand, one hundred forty-two".