213673028271 has 24 divisors (see below), whose sum is σ = 302697613584. Its totient is φ = 134044646400.

The previous prime is 213673028267. The next prime is 213673028399. The reversal of 213673028271 is 172820376312.

It is a happy number.

It is not a de Polignac number, because 213673028271 - 2² = 213673028267 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213673028071) 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, 5443411 + ... + 5482523.

It is an arithmetic number, because the mean of its divisors is an integer number (12612400566).

Almost surely, 2^213673028271 is an apocalyptic number.

213673028271 is a deficient number, since it is larger than the sum of its proper divisors (89024585313).

213673028271 is a wasteful number, since it uses less digits than its factorization.

213673028271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45451 (or 45434 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The spelling of 213673028271 in words is "two hundred thirteen billion, six hundred seventy-three million, twenty-eight thousand, two hundred seventy-one".