13231122210 has 48 divisors (see below), whose sum is σ = 34741544760. Its totient is φ = 3493363200.

The previous prime is 13231122187. The next prime is 13231122211. The reversal of 13231122210 is 1222113231.

13231122210 is a `hidden beast` number, since 132 + 311 + 2 + 221 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 10629816201 + 2601306009 = 103101^2 + 51003^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13231122211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 718695 + ... + 736874.

Almost surely, 2^13231122210 is an apocalyptic number.

13231122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13231122210 is an abundant number, since it is smaller than the sum of its proper divisors (21510422550).

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

13231122210 is a wasteful number, since it uses less digits than its factorization.

13231122210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455683 (or 1455680 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 13231122210 its reverse (1222113231), we get a palindrome (14453235441).

The spelling of 13231122210 in words is "thirteen billion, two hundred thirty-one million, one hundred twenty-two thousand, two hundred ten".