231100312229 has 4 divisors (see below), whose sum is σ = 231316496940. Its totient is φ = 230884127520.

The previous prime is 231100312199. The next prime is 231100312237. The reversal of 231100312229 is 922213001132.

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

It can be written as a sum of positive squares in 2 ways, for example, as 140003188900 + 91097123329 = 374170^2 + 301823^2 .

It is a cyclic number.

It is not a de Polignac number, because 231100312229 - 2²⁸ = 230831876773 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231100312198 and 231100312207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231100311229) 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, 108090752 + ... + 108092889.

It is an arithmetic number, because the mean of its divisors is an integer number (57829124235).

Almost surely, 2^231100312229 is an apocalyptic number.

It is an amenable number.

231100312229 is a deficient number, since it is larger than the sum of its proper divisors (216184711).

231100312229 is a wasteful number, since it uses less digits than its factorization.

231100312229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216184710.

The product of its (nonzero) digits is 1296, while the sum is 26.

It can be divided in two parts, 2311003 and 12229, that added together give a palindrome (2323232).

The spelling of 231100312229 in words is "two hundred thirty-one billion, one hundred million, three hundred twelve thousand, two hundred twenty-nine".