13144321332 has 60 divisors (see below), whose sum is σ = 34381803456. Its totient is φ = 4378896720.

The previous prime is 13144321321. The next prime is 13144321343. The reversal of 13144321332 is 23312344131.

It is a happy number.

13144321332 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 4 + 321 + 332 = 666.

It is an interprime number because it is at equal distance from previous prime (13144321321) and next prime (13144321343).

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is a junction number, because it is equal to n+sod(n) for n = 13144321296 and 13144321305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 595363 + ... + 617045.

Almost surely, 2^13144321332 is an apocalyptic number.

13144321332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13144321332 is an abundant number, since it is smaller than the sum of its proper divisors (21237482124).

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

13144321332 is a wasteful number, since it uses less digits than its factorization.

13144321332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23570 (or 23559 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 13144321332 its reverse (23312344131), we get a palindrome (36456665463).

The spelling of 13144321332 in words is "thirteen billion, one hundred forty-four million, three hundred twenty-one thousand, three hundred thirty-two".