13311322000 has 40 divisors (see below), whose sum is σ = 32186781432. Its totient is φ = 5324528000.

The previous prime is 13311321971. The next prime is 13311322001. The reversal of 13311322000 is 22311331.

It can be written as a sum of positive squares in 4 ways, for example, as 1671501456 + 11639820544 = 40884^2 + 107888^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (13311322001) 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, 3325831 + ... + 3329830.

Almost surely, 2^13311322000 is an apocalyptic number.

13311322000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13311322000 is an abundant number, since it is smaller than the sum of its proper divisors (18875459432).

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

13311322000 is an equidigital number, since it uses as much as digits as its factorization.

13311322000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6655684 (or 6655668 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 13311322000 its reverse (22311331), we get a palindrome (13333633331).

The spelling of 13311322000 in words is "thirteen billion, three hundred eleven million, three hundred twenty-two thousand".