231224443032342 has 32 divisors (see below), whose sum is σ = 491337724521600. Its totient is φ = 72335831658048.

The previous prime is 231224443032301. The next prime is 231224443032389. The reversal of 231224443032342 is 243230344422132.

It is a self number, because there is not a number n which added to its sum of digits gives 231224443032342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9477953167 + ... + 9477977562.

It is an arithmetic number, because the mean of its divisors is an integer number (15354303891300).

Almost surely, 2^{231224443032342} is an apocalyptic number.

231224443032342 is an abundant number, since it is smaller than the sum of its proper divisors (260113281489258).

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

231224443032342 is a wasteful number, since it uses less digits than its factorization.

231224443032342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18955930860.

The product of its (nonzero) digits is 663552, while the sum is 39.

Adding to 231224443032342 its reverse (243230344422132), we get a palindrome (474454787454474).

The spelling of 231224443032342 in words is "two hundred thirty-one trillion, two hundred twenty-four billion, four hundred forty-three million, thirty-two thousand, three hundred forty-two".