231106 has 4 divisors (see below), whose sum is σ = 346662. Its totient is φ = 115552.

The previous prime is 231079. The next prime is 231107. The reversal of 231106 is 601132.

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

It can be written as a sum of positive squares in only one way, i.e., 164025 + 67081 = 405^2 + 259^2 .

It is not an unprimeable number, because it can be changed into a prime (231107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57775 + ... + 57778.

2²³¹¹⁰⁶ is an apocalyptic number.

231106 is a deficient number, since it is larger than the sum of its proper divisors (115556).

231106 is a wasteful number, since it uses less digits than its factorization.

231106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115555.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 231106 is about 480.7348541556. The cubic root of 231106 is about 61.3673081562.

Adding to 231106 its reverse (601132), we get a palindrome (832238).

The spelling of 231106 in words is "two hundred thirty-one thousand, one hundred six".