213304353255 has 48 divisors (see below), whose sum is σ = 422631505920. Its totient is φ = 97490775744.

The previous prime is 213304353173. The next prime is 213304353263. The reversal of 213304353255 is 552353403312.

213304353255 is a `hidden beast` number, since 2 + 1 + 3 + 30 + 43 + 532 + 55 = 666.

It is not a de Polignac number, because 213304353255 - 2⁸ = 213304352999 is a prime.

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, 1546344 + ... + 1678626.

It is an arithmetic number, because the mean of its divisors is an integer number (8804823040).

Almost surely, 2^213304353255 is an apocalyptic number.

213304353255 is a deficient number, since it is larger than the sum of its proper divisors (209327152665).

213304353255 is a wasteful number, since it uses less digits than its factorization.

213304353255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137420 (or 137417 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 36.

Adding to 213304353255 its reverse (552353403312), we get a palindrome (765657756567).

The spelling of 213304353255 in words is "two hundred thirteen billion, three hundred four million, three hundred fifty-three thousand, two hundred fifty-five".