13103231213100 has 216 divisors, whose sum is σ = 44110055682000. Its totient is φ = 2994459041280.

The previous prime is 13103231213029. The next prime is 13103231213123. The reversal of 13103231213100 is 131213230131.

It is a happy number.

It is a super-2 number, since 2×13103231213100² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 80430526 + ... + 80593274.

It is an arithmetic number, because the mean of its divisors is an integer number (204213220750).

Almost surely, 2^{13103231213100} is an apocalyptic number.

13103231213100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13103231213100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22055027841000).

13103231213100 is an abundant number, since it is smaller than the sum of its proper divisors (31006824468900).

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

13103231213100 is a wasteful number, since it uses less digits than its factorization.

13103231213100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168257 (or 168243 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 13103231213100 its reverse (131213230131), we get a palindrome (13234444443231).

The spelling of 13103231213100 in words is "thirteen trillion, one hundred three billion, two hundred thirty-one million, two hundred thirteen thousand, one hundred".