13131223110 has 96 divisors (see below), whose sum is σ = 34536614112. Its totient is φ = 3461222400.

The previous prime is 13131223103. The next prime is 13131223111. The reversal of 13131223110 is 1132213131.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13131223111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10789222 + ... + 10790438.

It is an arithmetic number, because the mean of its divisors is an integer number (359756397).

Almost surely, 2^13131223110 is an apocalyptic number.

13131223110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13131223110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17268307056).

13131223110 is an abundant number, since it is smaller than the sum of its proper divisors (21405391002).

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

13131223110 is a wasteful number, since it uses less digits than its factorization.

13131223110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2518 (or 2515 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 13131223110 its reverse (1132213131), we get a palindrome (14263436241).

The spelling of 13131223110 in words is "thirteen billion, one hundred thirty-one million, two hundred twenty-three thousand, one hundred ten".