13211345430 has 160 divisors (see below), whose sum is σ = 38405806560. Its totient is φ = 3247257600.

The previous prime is 13211345363. The next prime is 13211345447. The reversal of 13211345430 is 3454311231.

It is a happy number.

13211345430 is a `hidden beast` number, since 1 + 3 + 2 + 113 + 4 + 543 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 13211345394 and 13211345403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 557830 + ... + 581030.

It is an arithmetic number, because the mean of its divisors is an integer number (240036291).

Almost surely, 2^13211345430 is an apocalyptic number.

13211345430 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 13211345430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19202903280).

13211345430 is an abundant number, since it is smaller than the sum of its proper divisors (25194461130).

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

13211345430 is a wasteful number, since it uses less digits than its factorization.

13211345430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23276 (or 23267 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 13211345430 its reverse (3454311231), we get a palindrome (16665656661).

The spelling of 13211345430 in words is "thirteen billion, two hundred eleven million, three hundred forty-five thousand, four hundred thirty".