213202134034 has 32 divisors (see below), whose sum is σ = 339987450816. Its totient is φ = 99924464640.

The previous prime is 213202133987. The next prime is 213202134053. The reversal of 213202134034 is 430431202312.

It is a super-2 number, since 2×213202134034² (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 15 ways as a sum of consecutive naturals, for example, 11116137 + ... + 11135299.

It is an arithmetic number, because the mean of its divisors is an integer number (10624607838).

Almost surely, 2^213202134034 is an apocalyptic number.

213202134034 is a deficient number, since it is larger than the sum of its proper divisors (126785316782).

213202134034 is a wasteful number, since it uses less digits than its factorization.

213202134034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20490.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 213202134034 its reverse (430431202312), we get a palindrome (643633336346).

The spelling of 213202134034 in words is "two hundred thirteen billion, two hundred two million, one hundred thirty-four thousand, thirty-four".