231143112300213 has 80 divisors (see below), whose sum is σ = 362422417167360. Its totient is φ = 146636382081024.

The previous prime is 231143112300203. The next prime is 231143112300229. The reversal of 231143112300213 is 312003211341132.

231143112300213 is a `hidden beast` number, since 2 + 3 + 1 + 1 + 431 + 12 + 3 + 0 + 0 + 213 = 666.

It is not a de Polignac number, because 231143112300213 - 2⁴ = 231143112300197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231143112300203) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 197888020 + ... + 199052642.

It is an arithmetic number, because the mean of its divisors is an integer number (4530280214592).

Almost surely, 2^{231143112300213} is an apocalyptic number.

It is an amenable number.

231143112300213 is a deficient number, since it is larger than the sum of its proper divisors (131279304867147).

231143112300213 is a wasteful number, since it uses less digits than its factorization.

231143112300213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166128 (or 1166119 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 231143112300213 its reverse (312003211341132), we get a palindrome (543146323641345).

The spelling of 231143112300213 in words is "two hundred thirty-one trillion, one hundred forty-three billion, one hundred twelve million, three hundred thousand, two hundred thirteen".