105444331 has 4 divisors (see below), whose sum is σ = 105586992. Its totient is φ = 105301672.

The previous prime is 105444289. The next prime is 105444343. The reversal of 105444331 is 133444501.

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

It is a cyclic number.

It is not a de Polignac number, because 105444331 - 2²³ = 97055723 is a prime.

It is a super-3 number, since 3×105444331³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105444296 and 105444305.

It is not an unprimeable number, because it can be changed into a prime (105444371) 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, 70216 + ... + 71701.

It is an arithmetic number, because the mean of its divisors is an integer number (26396748).

Almost surely, 2^105444331 is an apocalyptic number.

105444331 is a deficient number, since it is larger than the sum of its proper divisors (142661).

105444331 is an equidigital number, since it uses as much as digits as its factorization.

105444331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142660.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 105444331 is about 10268.6090099877. The cubic root of 105444331 is about 472.4339274743.

Adding to 105444331 its reverse (133444501), we get a palindrome (238888832).

The spelling of 105444331 in words is "one hundred five million, four hundred forty-four thousand, three hundred thirty-one".