1101313313 has 4 divisors (see below), whose sum is σ = 1101379860. Its totient is φ = 1101246768.

The previous prime is 1101313303. The next prime is 1101313319. The reversal of 1101313313 is 3133131011.

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.

It can be written as a sum of positive squares in 2 ways, for example, as 355586449 + 745726864 = 18857^2 + 27308^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101313313 - 2¹⁸ = 1101051169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101313291 and 1101313300.

It is not an unprimeable number, because it can be changed into a prime (1101313319) 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, 13031 + ... + 48707.

It is an arithmetic number, because the mean of its divisors is an integer number (275344965).

Almost surely, 2^1101313313 is an apocalyptic number.

It is an amenable number.

1101313313 is a deficient number, since it is larger than the sum of its proper divisors (66547).

1101313313 is an equidigital number, since it uses as much as digits as its factorization.

1101313313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66546.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 1101313313 is about 33186.0409359116. The cubic root of 1101313313 is about 1032.6907723404.

Adding to 1101313313 its reverse (3133131011), we get a palindrome (4234444324).

The spelling of 1101313313 in words is "one billion, one hundred one million, three hundred thirteen thousand, three hundred thirteen".