213053316652 has 18 divisors (see below), whose sum is σ = 409819500524. Its totient is φ = 96842416440.

The previous prime is 213053316643. The next prime is 213053316659. The reversal of 213053316652 is 256613350312.

It is not an unprimeable number, because it can be changed into a prime (213053316659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 220095918 + ... + 220096885.

Almost surely, 2^213053316652 is an apocalyptic number.

213053316652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213053316652 is a deficient number, since it is larger than the sum of its proper divisors (196766183872).

213053316652 is a wasteful number, since it uses less digits than its factorization.

213053316652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440192829 (or 440192816 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 37.

Adding to 213053316652 its reverse (256613350312), we get a palindrome (469666666964).

The spelling of 213053316652 in words is "two hundred thirteen billion, fifty-three million, three hundred sixteen thousand, six hundred fifty-two".