213324324402402 has 24 divisors (see below), whose sum is σ = 474694667815836. Its totient is φ = 69186267373536.

The previous prime is 213324324402391. The next prime is 213324324402419. The reversal of 213324324402402 is 204204423423312.

213324324402402 is a `hidden beast` number, since 2 + 1 + 3 + 3 + 2 + 4 + 3 + 244 + 0 + 2 + 402 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 169286355198081 + 44037969204321 = 13011009^2 + 6636111^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160153396033 + ... + 160153397364.

Almost surely, 2^{213324324402402} is an apocalyptic number.

213324324402402 is an abundant number, since it is smaller than the sum of its proper divisors (261370343413434).

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

213324324402402 is a wasteful number, since it uses less digits than its factorization.

213324324402402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320306793442 (or 320306793439 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 36.

Adding to 213324324402402 its reverse (204204423423312), we get a palindrome (417528747825714).

The spelling of 213324324402402 in words is "two hundred thirteen trillion, three hundred twenty-four billion, three hundred twenty-four million, four hundred two thousand, four hundred two".