13144303320 has 32 divisors (see below), whose sum is σ = 39432910320. Its totient is φ = 3505147520.

The previous prime is 13144303313. The next prime is 13144303369. The reversal of 13144303320 is 2330344131.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 54767811 + ... + 54768050.

Almost surely, 2^13144303320 is an apocalyptic number.

13144303320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13144303320 is an abundant number, since it is smaller than the sum of its proper divisors (26288607000).

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

13144303320 is a wasteful number, since it uses less digits than its factorization.

13144303320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109535875 (or 109535871 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 13144303320 its reverse (2330344131), we get a palindrome (15474647451).

The spelling of 13144303320 in words is "thirteen billion, one hundred forty-four million, three hundred three thousand, three hundred twenty".