231322003111 has 4 divisors (see below), whose sum is σ = 243496845400. Its totient is φ = 219147160824.

The previous prime is 231322003079. The next prime is 231322003117. The reversal of 231322003111 is 111300223132.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 231322003111 - 2⁵ = 231322003079 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 12174842269 = 231322003111 / (2 + 3 + 1 + 3 + 2 + 2 + 0 + 0 + 3 + 1 + 1 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231322003117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6087421116 + ... + 6087421153.

It is an arithmetic number, because the mean of its divisors is an integer number (60874211350).

Almost surely, 2^231322003111 is an apocalyptic number.

231322003111 is a deficient number, since it is larger than the sum of its proper divisors (12174842289).

231322003111 is a wasteful number, since it uses less digits than its factorization.

231322003111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12174842288.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 231322003111 its reverse (111300223132), we get a palindrome (342622226243).

The spelling of 231322003111 in words is "two hundred thirty-one billion, three hundred twenty-two million, three thousand, one hundred eleven".