11311123313 has 8 divisors (see below), whose sum is σ = 13170904128. Its totient is φ = 9512319024.

The previous prime is 11311123303. The next prime is 11311123361. The reversal of 11311123313 is 31332111311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11311123313 - 2¹⁰ = 11311122289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11311123303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15243731 + ... + 15244472.

It is an arithmetic number, because the mean of its divisors is an integer number (1646363016).

Almost surely, 2^11311123313 is an apocalyptic number.

It is an amenable number.

11311123313 is a deficient number, since it is larger than the sum of its proper divisors (1859780815).

11311123313 is an equidigital number, since it uses as much as digits as its factorization.

11311123313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30488263.

The product of its digits is 162, while the sum is 20.

Adding to 11311123313 its reverse (31332111311), we get a palindrome (42643234624).

The spelling of 11311123313 in words is "eleven billion, three hundred eleven million, one hundred twenty-three thousand, three hundred thirteen".