13231311121100 has 36 divisors (see below), whose sum is σ = 29075387493600. Its totient is φ = 5225530464960.

The previous prime is 13231311121001. The next prime is 13231311121117. The reversal of 13231311121100 is 112111313231.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 837416855 + ... + 837432654.

It is an arithmetic number, because the mean of its divisors is an integer number (807649652600).

Almost surely, 2^{13231311121100} is an apocalyptic number.

13231311121100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13231311121100 is an abundant number, since it is smaller than the sum of its proper divisors (15844076372500).

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

13231311121100 is a wasteful number, since it uses less digits than its factorization.

13231311121100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674849602 (or 1674849595 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 13231311121100 its reverse (112111313231), we get a palindrome (13343422434331).

The spelling of 13231311121100 in words is "thirteen trillion, two hundred thirty-one billion, three hundred eleven million, one hundred twenty-one thousand, one hundred".