231112001013 has 16 divisors (see below), whose sum is σ = 343448176320. Its totient is φ = 137379269376.

The previous prime is 231112000969. The next prime is 231112001039. The reversal of 231112001013 is 310100211132.

It is a happy number.

It is not a de Polignac number, because 231112001013 - 2²⁶ = 231044892149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231112000983 and 231112001001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231112001213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119251870 + ... + 119253807.

It is an arithmetic number, because the mean of its divisors is an integer number (21465511020).

Almost surely, 2^231112001013 is an apocalyptic number.

It is an amenable number.

231112001013 is a deficient number, since it is larger than the sum of its proper divisors (112336175307).

231112001013 is a wasteful number, since it uses less digits than its factorization.

231112001013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238505716.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 231112001013 its reverse (310100211132), we get a palindrome (541212212145).

The spelling of 231112001013 in words is "two hundred thirty-one billion, one hundred twelve million, one thousand, thirteen".