105131263 has 4 divisors (see below), whose sum is σ = 106095880. Its totient is φ = 104166648.

The previous prime is 105131239. The next prime is 105131267. The reversal of 105131263 is 362131501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 362131501 = 17 ⋅21301853.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105131263 is a prime.

It is a super-2 number, since 2×105131263² = 22105164919950338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105131267) 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, 482145 + ... + 482362.

It is an arithmetic number, because the mean of its divisors is an integer number (26523970).

Almost surely, 2^105131263 is an apocalyptic number.

105131263 is a deficient number, since it is larger than the sum of its proper divisors (964617).

105131263 is an equidigital number, since it uses as much as digits as its factorization.

105131263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964616.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 105131263 is about 10253.3537440196. The cubic root of 105131263 is about 471.9659062202.

Adding to 105131263 its reverse (362131501), we get a palindrome (467262764).

The spelling of 105131263 in words is "one hundred five million, one hundred thirty-one thousand, two hundred sixty-three".