13030031320 has 32 divisors (see below), whose sum is σ = 29439241920. Its totient is φ = 5190382080.

The previous prime is 13030031317. The next prime is 13030031341. The reversal of 13030031320 is 2313003031.

It is a junction number, because it is equal to n+sod(n) for n = 13030031294 and 13030031303.

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, 666192 + ... + 685471.

It is an arithmetic number, because the mean of its divisors is an integer number (919976310).

Almost surely, 2^13030031320 is an apocalyptic number.

13030031320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13030031320 is an abundant number, since it is smaller than the sum of its proper divisors (16409210600).

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

13030031320 is a wasteful number, since it uses less digits than its factorization.

13030031320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351915 (or 1351911 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 13030031320 its reverse (2313003031), we get a palindrome (15343034351).

The spelling of 13030031320 in words is "thirteen billion, thirty million, thirty-one thousand, three hundred twenty".