11111313313 has 16 divisors (see below), whose sum is σ = 11463379200. Its totient is φ = 10764856960.

The previous prime is 11111313307. The next prime is 11111313331. The reversal of 11111313313 is 31331311111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11111313313 is a prime.

It is a super-2 number, since 2×11111313313² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11111313013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5937768 + ... + 5939638.

It is an arithmetic number, because the mean of its divisors is an integer number (716461200).

Almost surely, 2^11111313313 is an apocalyptic number.

It is an amenable number.

11111313313 is a deficient number, since it is larger than the sum of its proper divisors (352065887).

11111313313 is a wasteful number, since it uses less digits than its factorization.

11111313313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3272.

The product of its digits is 81, while the sum is 19.

Adding to 11111313313 its reverse (31331311111), we get a palindrome (42442624424).

The spelling of 11111313313 in words is "eleven billion, one hundred eleven million, three hundred thirteen thousand, three hundred thirteen".