213231113112113 has 8 divisors (see below), whose sum is σ = 220552569758976. Its totient is φ = 206010642074400.

The previous prime is 213231113112079. The next prime is 213231113112137. The reversal of 213231113112113 is 311211311132312.

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

It is a cyclic number.

It is not a de Polignac number, because 213231113112113 - 2⁸ = 213231113111857 is a prime.

It is a super-2 number, since 2×213231113112113² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (213231113112163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25246397993 + ... + 25246406438.

It is an arithmetic number, because the mean of its divisors is an integer number (27569071219872).

Almost surely, 2^{213231113112113} is an apocalyptic number.

It is an amenable number.

213231113112113 is a deficient number, since it is larger than the sum of its proper divisors (7321456646863).

213231113112113 is a wasteful number, since it uses less digits than its factorization.

213231113112113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50492804575.

The product of its digits is 648, while the sum is 26.

Adding to 213231113112113 its reverse (311211311132312), we get a palindrome (524442424244425).

The spelling of 213231113112113 in words is "two hundred thirteen trillion, two hundred thirty-one billion, one hundred thirteen million, one hundred twelve thousand, one hundred thirteen".