231301243204213 has 16 divisors (see below), whose sum is σ = 299661529659520. Its totient is φ = 173375599300416.

The previous prime is 231301243204079. The next prime is 231301243204277. The reversal of 231301243204213 is 312402342103132.

It is a cyclic number.

It is not a de Polignac number, because 231301243204213 - 2¹⁷ = 231301243073141 is a prime.

It is a super-3 number, since 3×231301243204213³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231301243204513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66888732570 + ... + 66888736027.

It is an arithmetic number, because the mean of its divisors is an integer number (18728845603720).

Almost surely, 2^{231301243204213} is an apocalyptic number.

It is an amenable number.

231301243204213 is a deficient number, since it is larger than the sum of its proper divisors (68360286455307).

231301243204213 is a wasteful number, since it uses less digits than its factorization.

231301243204213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133777468636.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 231301243204213 its reverse (312402342103132), we get a palindrome (543703585307345).

The spelling of 231301243204213 in words is "two hundred thirty-one trillion, three hundred one billion, two hundred forty-three million, two hundred four thousand, two hundred thirteen".