11312220313 has 16 divisors (see below), whose sum is σ = 11747070720. Its totient is φ = 10885919184.

The previous prime is 11312220301. The next prime is 11312220329. The reversal of 11312220313 is 31302221311.

It is a cyclic number.

It is not a de Polignac number, because 11312220313 - 2²¹ = 11310123161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11312220343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1348470 + ... + 1356832.

It is an arithmetic number, because the mean of its divisors is an integer number (734191920).

Almost surely, 2^11312220313 is an apocalyptic number.

It is an amenable number.

11312220313 is a deficient number, since it is larger than the sum of its proper divisors (434850407).

11312220313 is an equidigital number, since it uses as much as digits as its factorization.

11312220313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8868.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11312220313 its reverse (31302221311), we get a palindrome (42614441624).

The spelling of 11312220313 in words is "eleven billion, three hundred twelve million, two hundred twenty thousand, three hundred thirteen".