13021353030 has 96 divisors (see below), whose sum is σ = 37694640384. Its totient is φ = 2819644992.

The previous prime is 13021353029. The next prime is 13021353043. The reversal of 13021353030 is 3035312031.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 13021352988 and 13021353006.

It is a congruent number.

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, 10072 + ... + 161691.

It is an arithmetic number, because the mean of its divisors is an integer number (392652504).

Almost surely, 2^13021353030 is an apocalyptic number.

13021353030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13021353030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18847320192).

13021353030 is an abundant number, since it is smaller than the sum of its proper divisors (24673287354).

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

13021353030 is a wasteful number, since it uses less digits than its factorization.

13021353030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171818 (or 171799 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 21.

Adding to 13021353030 its reverse (3035312031), we get a palindrome (16056665061).

The spelling of 13021353030 in words is "thirteen billion, twenty-one million, three hundred fifty-three thousand, thirty".