231105141 has 6 divisors (see below), whose sum is σ = 333818550. Its totient is φ = 154070088.

The previous prime is 231105139. The next prime is 231105167. The reversal of 231105141 is 141501132.

It can be written as a sum of positive squares in only one way, i.e., 194017041 + 37088100 = 13929^2 + 6090^2 .

It is not a de Polignac number, because 231105141 - 2¹ = 231105139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231105101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12839166 + ... + 12839183.

It is an arithmetic number, because the mean of its divisors is an integer number (55636425).

Almost surely, 2^231105141 is an apocalyptic number.

It is an amenable number.

231105141 is a deficient number, since it is larger than the sum of its proper divisors (102713409).

231105141 is a wasteful number, since it uses less digits than its factorization.

231105141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25678355 (or 25678352 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 231105141 is about 15202.1426450353. The cubic root of 231105141 is about 613.6723212390.

Adding to 231105141 its reverse (141501132), we get a palindrome (372606273).

The spelling of 231105141 in words is "two hundred thirty-one million, one hundred five thousand, one hundred forty-one".