2105534231 has 8 divisors (see below), whose sum is σ = 2123273520. Its totient is φ = 2087829568.

The previous prime is 2105534203. The next prime is 2105534237. The reversal of 2105534231 is 1324355012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2105534231 - 2¹⁰ = 2105533207 is a prime.

It is a super-2 number, since 2×2105534231² = 8866548795825522722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2105534231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105534237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121625 + ... + 137853.

It is an arithmetic number, because the mean of its divisors is an integer number (265409190).

Almost surely, 2^2105534231 is an apocalyptic number.

2105534231 is a deficient number, since it is larger than the sum of its proper divisors (17739289).

2105534231 is a wasteful number, since it uses less digits than its factorization.

2105534231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17313.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2105534231 is about 45886.1006297114. The cubic root of 2105534231 is about 1281.7031021974.

Adding to 2105534231 its reverse (1324355012), we get a palindrome (3429889243).

The spelling of 2105534231 in words is "two billion, one hundred five million, five hundred thirty-four thousand, two hundred thirty-one".