13111301312 has 84 divisors (see below), whose sum is σ = 26936294616. Its totient is φ = 6328627200.

The previous prime is 13111301303. The next prime is 13111301321. The reversal of 13111301312 is 21310311131.

It is an interprime number because it is at equal distance from previous prime (13111301303) and next prime (13111301321).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32696312 + ... + 32696712.

It is an arithmetic number, because the mean of its divisors is an integer number (320670174).

Almost surely, 2^13111301312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13111301312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13468147308).

13111301312 is an abundant number, since it is smaller than the sum of its proper divisors (13824993304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13111301312 is an equidigital number, since it uses as much as digits as its factorization.

13111301312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674 (or 555 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 13111301312 its reverse (21310311131), we get a palindrome (34421612443).

The spelling of 13111301312 in words is "thirteen billion, one hundred eleven million, three hundred one thousand, three hundred twelve".