13133123320 has 16 divisors (see below), whose sum is σ = 29549527560. Its totient is φ = 5253249312.

The previous prime is 13133123317. The next prime is 13133123347. The reversal of 13133123320 is 2332133131.

It is a junction number, because it is equal to n+sod(n) for n = 13133123291 and 13133123300.

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 3 ways as a sum of consecutive naturals, for example, 164164002 + ... + 164164081.

Almost surely, 2^13133123320 is an apocalyptic number.

13133123320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13133123320 is an abundant number, since it is smaller than the sum of its proper divisors (16416404240).

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

13133123320 is a wasteful number, since it uses less digits than its factorization.

13133123320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328328094 (or 328328090 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 13133123320 its reverse (2332133131), we get a palindrome (15465256451).

The spelling of 13133123320 in words is "thirteen billion, one hundred thirty-three million, one hundred twenty-three thousand, three hundred twenty".