105078331 has 4 divisors (see below), whose sum is σ = 105109312. Its totient is φ = 105047352.

The previous prime is 105078307. The next prime is 105078349. The reversal of 105078331 is 133870501.

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 105078331 - 2⁵ = 105078299 is a prime.

It is a super-2 number, since 2×105078331² = 22082911291491122, 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 105078331.

It is not an unprimeable number, because it can be changed into a prime (105078371) 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, 9675 + ... + 17428.

It is an arithmetic number, because the mean of its divisors is an integer number (26277328).

Almost surely, 2^105078331 is an apocalyptic number.

105078331 is a deficient number, since it is larger than the sum of its proper divisors (30981).

105078331 is an equidigital number, since it uses as much as digits as its factorization.

105078331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30980.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 105078331 is about 10250.7722148139. The cubic root of 105078331 is about 471.8866836924.

The spelling of 105078331 in words is "one hundred five million, seventy-eight thousand, three hundred thirty-one".