213021030334 has 48 divisors (see below), whose sum is σ = 373555314000. Its totient is φ = 90840185856.

The previous prime is 213021030289. The next prime is 213021030337. The reversal of 213021030334 is 433030120312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213021030337) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16406257 + ... + 16419235.

It is an arithmetic number, because the mean of its divisors is an integer number (7782402375).

Almost surely, 2^213021030334 is an apocalyptic number.

213021030334 is a deficient number, since it is larger than the sum of its proper divisors (160534283666).

213021030334 is a wasteful number, since it uses less digits than its factorization.

213021030334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13817 (or 13810 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 213021030334 its reverse (433030120312), we get a palindrome (646051150646).

The spelling of 213021030334 in words is "two hundred thirteen billion, twenty-one million, thirty thousand, three hundred thirty-four".