13211320230 has 48 divisors (see below), whose sum is σ = 34406727264. Its totient is φ = 3517142400.

The previous prime is 13211320223. The next prime is 13211320253. The reversal of 13211320230 is 3202311231.

13211320230 is a `hidden beast` number, since 1 + 321 + 1 + 320 + 23 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68034 + ... + 176213.

It is an arithmetic number, because the mean of its divisors is an integer number (716806818).

Almost surely, 2^13211320230 is an apocalyptic number.

13211320230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13211320230 is an abundant number, since it is smaller than the sum of its proper divisors (21195407034).

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

13211320230 is a wasteful number, since it uses less digits than its factorization.

13211320230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244861 (or 244858 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13211320230 its reverse (3202311231), we get a palindrome (16413631461).

The spelling of 13211320230 in words is "thirteen billion, two hundred eleven million, three hundred twenty thousand, two hundred thirty".