213344320202 has 16 divisors (see below), whose sum is σ = 348045346152. Its totient is φ = 97491691200.

The previous prime is 213344320183. The next prime is 213344320219. The reversal of 213344320202 is 202023443312.

It can be written as a sum of positive squares in 4 ways, for example, as 154992603481 + 58351716721 = 393691^2 + 241561^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40618913 + ... + 40624164.

Almost surely, 2^213344320202 is an apocalyptic number.

213344320202 is a deficient number, since it is larger than the sum of its proper divisors (134701025950).

213344320202 is a wasteful number, since it uses less digits than its factorization.

213344320202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81243193.

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

Adding to 213344320202 its reverse (202023443312), we get a palindrome (415367763514).

The spelling of 213344320202 in words is "two hundred thirteen billion, three hundred forty-four million, three hundred twenty thousand, two hundred two".