105433131 has 4 divisors (see below), whose sum is σ = 140577512. Its totient is φ = 70288752.

The previous prime is 105433129. The next prime is 105433213. The reversal of 105433131 is 131334501.

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

It is not a de Polignac number, because 105433131 - 2¹ = 105433129 is a prime.

It is a super-2 number, since 2×105433131² = 22232290224926322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105433098 and 105433107.

It is not an unprimeable number, because it can be changed into a prime (105433231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17572186 + ... + 17572191.

It is an arithmetic number, because the mean of its divisors is an integer number (35144378).

Almost surely, 2^105433131 is an apocalyptic number.

105433131 is a deficient number, since it is larger than the sum of its proper divisors (35144381).

105433131 is an equidigital number, since it uses as much as digits as its factorization.

105433131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35144380.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 105433131 is about 10268.0636441347. The cubic root of 105433131 is about 472.4172000148.

Adding to 105433131 its reverse (131334501), we get a palindrome (236767632).

The spelling of 105433131 in words is "one hundred five million, four hundred thirty-three thousand, one hundred thirty-one".