231322320012111 has 16 divisors (see below), whose sum is σ = 313645077573120. Its totient is φ = 151619321735840.

The previous prime is 231322320012109. The next prime is 231322320012149. The reversal of 231322320012111 is 111210023223132.

It is a cyclic number.

It is not a de Polignac number, because 231322320012111 - 2¹ = 231322320012109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231322320013111) 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, 1512486600 + ... + 1512639533.

It is an arithmetic number, because the mean of its divisors is an integer number (19602817348320).

Almost surely, 2^{231322320012111} is an apocalyptic number.

231322320012111 is a deficient number, since it is larger than the sum of its proper divisors (82322757561009).

231322320012111 is a wasteful number, since it uses less digits than its factorization.

231322320012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025126566.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 231322320012111 its reverse (111210023223132), we get a palindrome (342532343235243).

The spelling of 231322320012111 in words is "two hundred thirty-one trillion, three hundred twenty-two billion, three hundred twenty million, twelve thousand, one hundred eleven".