213242344402 has 8 divisors (see below), whose sum is σ = 319871576700. Its totient is φ = 106618485504.

The previous prime is 213242344363. The next prime is 213242344421. The reversal of 213242344402 is 204443242312.

213242344402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 213239844841 + 2499561 = 461779^2 + 1581^2 .

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

It is a super-2 number, since 2×213242344402² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1242627 + ... + 1403782.

Almost surely, 2^213242344402 is an apocalyptic number.

213242344402 is a deficient number, since it is larger than the sum of its proper divisors (106629232298).

213242344402 is a wasteful number, since it uses less digits than its factorization.

213242344402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2686700.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 213242344402 its reverse (204443242312), we get a palindrome (417685586714).

The spelling of 213242344402 in words is "two hundred thirteen billion, two hundred forty-two million, three hundred forty-four thousand, four hundred two".