105131 has 4 divisors (see below), whose sum is σ = 113232. Its totient is φ = 97032.

The previous prime is 105107. The next prime is 105137. The reversal of 105131 is 131501.

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

It is not a de Polignac number, because 105131 - 2¹⁰ = 104107 is a prime.

It is a super-2 number, since 2×105131² = 22105054322, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (105137) 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, 4031 + ... + 4056.

It is an arithmetic number, because the mean of its divisors is an integer number (28308).

2¹⁰⁵¹³¹ is an apocalyptic number.

105131 is a deficient number, since it is larger than the sum of its proper divisors (8101).

105131 is an equidigital number, since it uses as much as digits as its factorization.

105131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8100.

The product of its (nonzero) digits is 15, while the sum is 11.

The square root of 105131 is about 324.2391093005. The cubic root of 105131 is about 47.1965512658.

Adding to 105131 its reverse (131501), we get a palindrome (236632).

The spelling of 105131 in words is "one hundred five thousand, one hundred thirty-one".