1105310345 has 4 divisors (see below), whose sum is σ = 1326372420. Its totient is φ = 884248272.

The previous prime is 1105310341. The next prime is 1105310473. The reversal of 1105310345 is 5430135011.

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

It can be written as a sum of positive squares in 2 ways, for example, as 123365449 + 981944896 = 11107^2 + 31336^2 .

It is a cyclic number.

It is not a de Polignac number, because 1105310345 - 2² = 1105310341 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1105310345.

It is not an unprimeable number, because it can be changed into a prime (1105310341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110531030 + ... + 110531039.

It is an arithmetic number, because the mean of its divisors is an integer number (331593105).

Almost surely, 2^1105310345 is an apocalyptic number.

It is an amenable number.

1105310345 is a deficient number, since it is larger than the sum of its proper divisors (221062075).

1105310345 is an equidigital number, since it uses as much as digits as its factorization.

1105310345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221062074.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1105310345 is about 33246.2079792568. The cubic root of 1105310345 is about 1033.9385899725.

Adding to 1105310345 its reverse (5430135011), we get a palindrome (6535445356).

The spelling of 1105310345 in words is "one billion, one hundred five million, three hundred ten thousand, three hundred forty-five".