231102042 has 8 divisors (see below), whose sum is σ = 462204096. Its totient is φ = 77034012.

The previous prime is 231102041. The next prime is 231102061. The reversal of 231102042 is 240201132.

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

231102042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (231102041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19258498 + ... + 19258509.

It is an arithmetic number, because the mean of its divisors is an integer number (57775512).

Almost surely, 2^231102042 is an apocalyptic number.

231102042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

231102042 is a wasteful number, since it uses less digits than its factorization.

231102042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38517012.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 231102042 is about 15202.0407182720. The cubic root of 231102042 is about 613.6695782176.

Adding to 231102042 its reverse (240201132), we get a palindrome (471303174).

It can be divided in two parts, 23110 and 2042, that added together give a palindrome (25152).

The spelling of 231102042 in words is "two hundred thirty-one million, one hundred two thousand, forty-two".