231224224031142 has 8 divisors (see below), whose sum is σ = 462448448062296. Its totient is φ = 77074741343712.

The previous prime is 231224224031131. The next prime is 231224224031161. The reversal of 231224224031142 is 241130422422132.

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

231224224031142 is an admirable number.

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, 19268685335923 + ... + 19268685335934.

It is an arithmetic number, because the mean of its divisors is an integer number (57806056007787).

Almost surely, 2^{231224224031142} is an apocalyptic number.

231224224031142 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.

231224224031142 is a wasteful number, since it uses less digits than its factorization.

231224224031142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38537370671862.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 231224224031142 its reverse (241130422422132), we get a palindrome (472354646453274).

The spelling of 231224224031142 in words is "two hundred thirty-one trillion, two hundred twenty-four billion, two hundred twenty-four million, thirty-one thousand, one hundred forty-two".