1105143213 has 8 divisors (see below), whose sum is σ = 1488715648. Its totient is φ = 729166464.

The previous prime is 1105143209. The next prime is 1105143229. The reversal of 1105143213 is 3123415011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1105143213 - 2² = 1105143209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1105143213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105243213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1898581 + ... + 1899162.

It is an arithmetic number, because the mean of its divisors is an integer number (186089456).

Almost surely, 2^1105143213 is an apocalyptic number.

It is an amenable number.

1105143213 is a deficient number, since it is larger than the sum of its proper divisors (383572435).

1105143213 is an equidigital number, since it uses as much as digits as its factorization.

1105143213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3797843.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1105143213 is about 33243.6943344148. The cubic root of 1105143213 is about 1033.8864740108.

Adding to 1105143213 its reverse (3123415011), we get a palindrome (4228558224).

The spelling of 1105143213 in words is "one billion, one hundred five million, one hundred forty-three thousand, two hundred thirteen".