13030321908 has 24 divisors (see below), whose sum is σ = 32192560512. Its totient is φ = 4087944064.

The previous prime is 13030321907. The next prime is 13030321921. The reversal of 13030321908 is 80912303031.

It is a super-2 number, since 2×13030321908² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13030321907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31936860 + ... + 31937267.

It is an arithmetic number, because the mean of its divisors is an integer number (1341356688).

Almost surely, 2^13030321908 is an apocalyptic number.

It is an amenable number.

13030321908 is an abundant number, since it is smaller than the sum of its proper divisors (19162238604).

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

13030321908 is a wasteful number, since it uses less digits than its factorization.

13030321908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63874151 (or 63874149 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

Adding to 13030321908 its reverse (80912303031), we get a palindrome (93942624939).

The spelling of 13030321908 in words is "thirteen billion, thirty million, three hundred twenty-one thousand, nine hundred eight".