13631226324 has 24 divisors (see below), whose sum is σ = 32482923648. Its totient is φ = 4447066560.

The previous prime is 13631226319. The next prime is 13631226359. The reversal of 13631226324 is 42362213631.

It is a happy number.

It is a super-2 number, since 2×13631226324² (a number of 21 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12083857 + ... + 12084984.

It is an arithmetic number, because the mean of its divisors is an integer number (1353455152).

Almost surely, 2^13631226324 is an apocalyptic number.

It is an amenable number.

13631226324 is an abundant number, since it is smaller than the sum of its proper divisors (18851697324).

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

13631226324 is a wasteful number, since it uses less digits than its factorization.

13631226324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24168895 (or 24168893 counting only the distinct ones).

The product of its digits is 31104, while the sum is 33.

Adding to 13631226324 its reverse (42362213631), we get a palindrome (55993439955).

The spelling of 13631226324 in words is "thirteen billion, six hundred thirty-one million, two hundred twenty-six thousand, three hundred twenty-four".