1105111313 has 2 divisors, whose sum is σ = 1105111314. Its totient is φ = 1105111312.

The previous prime is 1105111297. The next prime is 1105111349. The reversal of 1105111313 is 3131115011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 583125904 + 521985409 = 24148^2 + 22847^2 .

It is a cyclic number.

It is not a de Polignac number, because 1105111313 - 2⁴ = 1105111297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1105111291 and 1105111300.

It is not a weakly prime, because it can be changed into another prime (1105111363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552555656 + 552555657.

It is an arithmetic number, because the mean of its divisors is an integer number (552555657).

Almost surely, 2^1105111313 is an apocalyptic number.

It is an amenable number.

1105111313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105111313 is an equidigital number, since it uses as much as digits as its factorization.

1105111313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45, while the sum is 17.

The square root of 1105111313 is about 33243.2145407149. The cubic root of 1105111313 is about 1033.8765261912.

Adding to 1105111313 its reverse (3131115011), we get a palindrome (4236226324).

The spelling of 1105111313 in words is "one billion, one hundred five million, one hundred eleven thousand, three hundred thirteen".