13231202111 has 8 divisors (see below), whose sum is σ = 13807687680. Its totient is φ = 12654817912.

The previous prime is 13231202099. The next prime is 13231202123. The reversal of 13231202111 is 11120213231.

It is an interprime number because it is at equal distance from previous prime (13231202099) and next prime (13231202123).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13231202111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13231202111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13231232111) 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, 378470 + ... + 411948.

It is an arithmetic number, because the mean of its divisors is an integer number (1725960960).

Almost surely, 2^13231202111 is an apocalyptic number.

13231202111 is a deficient number, since it is larger than the sum of its proper divisors (576485569).

13231202111 is a wasteful number, since it uses less digits than its factorization.

13231202111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50685.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 13231202111 its reverse (11120213231), we get a palindrome (24351415342).

It can be divided in two parts, 1323120 and 2111, that added together give a palindrome (1325231).

The spelling of 13231202111 in words is "thirteen billion, two hundred thirty-one million, two hundred two thousand, one hundred eleven".