213210402322 has 64 divisors (see below), whose sum is σ = 335295404640. Its totient is φ = 101593350144.

The previous prime is 213210402319. The next prime is 213210402371. The reversal of 213210402322 is 223204012312.

It can be written as a sum of positive squares in 16 ways, for example, as 22397816281 + 190812586041 = 149659^2 + 436821^2 .

It is a junction number, because it is equal to n+sod(n) for n = 213210402293 and 213210402302.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 603995298 + ... + 603995650.

Almost surely, 2^213210402322 is an apocalyptic number.

213210402322 is a deficient number, since it is larger than the sum of its proper divisors (122085002318).

213210402322 is a wasteful number, since it uses less digits than its factorization.

213210402322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 213210402322 its reverse (223204012312), we get a palindrome (436414414634).

The spelling of 213210402322 in words is "two hundred thirteen billion, two hundred ten million, four hundred two thousand, three hundred twenty-two".