1103122313 has 4 divisors (see below), whose sum is σ = 1103210388. Its totient is φ = 1103034240.

The previous prime is 1103122309. The next prime is 1103122379. The reversal of 1103122313 is 3132213011.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3132213011 = 191 ⋅16399021.

It can be written as a sum of positive squares in 2 ways, for example, as 368332864 + 734789449 = 19192^2 + 27107^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103122313 - 2² = 1103122309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1103122291 and 1103122300.

It is not an unprimeable number, because it can be changed into a prime (1103122513) 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, 21356 + ... + 51597.

It is an arithmetic number, because the mean of its divisors is an integer number (275802597).

Almost surely, 2^1103122313 is an apocalyptic number.

It is an amenable number.

1103122313 is a deficient number, since it is larger than the sum of its proper divisors (88075).

1103122313 is an equidigital number, since it uses as much as digits as its factorization.

1103122313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88074.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1103122313 is about 33213.2851883098. The cubic root of 1103122313 is about 1033.2558902651.

Adding to 1103122313 its reverse (3132213011), we get a palindrome (4235335324).

The spelling of 1103122313 in words is "one billion, one hundred three million, one hundred twenty-two thousand, three hundred thirteen".