13223131213032 has 96 divisors (see below), whose sum is σ = 38568152368200. Its totient is φ = 4068583354368.

The previous prime is 13223131213009. The next prime is 13223131213063. The reversal of 13223131213032 is 23031213132231.

13223131213032 is a `hidden beast` number, since 1 + 3 + 2 + 231 + 3 + 121 + 303 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 7647138499716 + 5575992713316 = 2765346^2 + 2361354^2 .

It is a super-2 number, since 2×13223131213032² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13223131212987 and 13223131213005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79282944 + ... + 79449552.

Almost surely, 2^{13223131213032} is an apocalyptic number.

13223131213032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13223131213032 is an abundant number, since it is smaller than the sum of its proper divisors (25345021155168).

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

13223131213032 is a wasteful number, since it uses less digits than its factorization.

13223131213032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251427 (or 251420 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 13223131213032 its reverse (23031213132231), we get a palindrome (36254344345263).

The spelling of 13223131213032 in words is "thirteen trillion, two hundred twenty-three billion, one hundred thirty-one million, two hundred thirteen thousand, thirty-two".