231121343100224 has 28 divisors (see below), whose sum is σ = 458945761812000. Its totient is φ = 115481466108288.

The previous prime is 231121343100209. The next prime is 231121343100229. The reversal of 231121343100224 is 422001343121132.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231121343100229) 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, 1237490924 + ... + 1237677675.

Almost surely, 2^{231121343100224} is an apocalyptic number.

It is an amenable number.

231121343100224 is a deficient number, since it is larger than the sum of its proper divisors (227824418711776).

231121343100224 is a wasteful number, since it uses less digits than its factorization.

231121343100224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2475170070 (or 2475170060 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 231121343100224 its reverse (422001343121132), we get a palindrome (653122686221356).

The spelling of 231121343100224 in words is "two hundred thirty-one trillion, one hundred twenty-one billion, three hundred forty-three million, one hundred thousand, two hundred twenty-four".