13213304334 has 28 divisors (see below), whose sum is σ = 29716344096. Its totient is φ = 4404434292.

The previous prime is 13213304329. The next prime is 13213304347. The reversal of 13213304334 is 43340331231.

13213304334 is a `hidden beast` number, since 1 + 3 + 21 + 3 + 304 + 334 = 666.

It is a super-2 number, since 2×13213304334² (a number of 21 digits) contains 22 as substring.

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 = 13213304298 and 13213304307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 4529854 + ... + 4532769.

Almost surely, 2^13213304334 is an apocalyptic number.

13213304334 is an abundant number, since it is smaller than the sum of its proper divisors (16503039762).

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

13213304334 is an frugal number, since it uses more digits than its factorization.

13213304334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9062643 (or 9062628 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 13213304334 its reverse (43340331231), we get a palindrome (56553635565).

The spelling of 13213304334 in words is "thirteen billion, two hundred thirteen million, three hundred four thousand, three hundred thirty-four".