213203342402 has 8 divisors (see below), whose sum is σ = 327605136012. Its totient is φ = 104001630400.

The previous prime is 213203342371. The next prime is 213203342437. The reversal of 213203342402 is 204243302312.

It can be written as a sum of positive squares in 2 ways, for example, as 202230989401 + 10972353001 = 449701^2 + 104749^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×213203342402² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1300020299 + ... + 1300020462.

Almost surely, 2^213203342402 is an apocalyptic number.

213203342402 is a deficient number, since it is larger than the sum of its proper divisors (114401793610).

213203342402 is a wasteful number, since it uses less digits than its factorization.

213203342402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2600040804.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 213203342402 its reverse (204243302312), we get a palindrome (417446644714).

The spelling of 213203342402 in words is "two hundred thirteen billion, two hundred three million, three hundred forty-two thousand, four hundred two".