13030321850 has 96 divisors (see below), whose sum is σ = 29945583360. Its totient is φ = 4107824640.

The previous prime is 13030321849. The next prime is 13030321907. The reversal of 13030321850 is 5812303031.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1191206 + ... + 1202094.

It is an arithmetic number, because the mean of its divisors is an integer number (311933160).

Almost surely, 2^13030321850 is an apocalyptic number.

13030321850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13030321850 is an abundant number, since it is smaller than the sum of its proper divisors (16915261510).

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

13030321850 is a wasteful number, since it uses less digits than its factorization.

13030321850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11184 (or 11179 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 13030321850 its reverse (5812303031), we get a palindrome (18842624881).

The spelling of 13030321850 in words is "thirteen billion, thirty million, three hundred twenty-one thousand, eight hundred fifty".