213156047207 has 4 divisors (see below), whose sum is σ = 213159785496. Its totient is φ = 213152308920.

The previous prime is 213156047197. The next prime is 213156047219. The reversal of 213156047207 is 702740651312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213156047207 - 2³⁴ = 195976178023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213156047257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1782269 + ... + 1898102.

It is an arithmetic number, because the mean of its divisors is an integer number (53289946374).

Almost surely, 2^213156047207 is an apocalyptic number.

213156047207 is a deficient number, since it is larger than the sum of its proper divisors (3738289).

213156047207 is an equidigital number, since it uses as much as digits as its factorization.

213156047207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3738288.

The product of its (nonzero) digits is 70560, while the sum is 38.

Adding to 213156047207 its reverse (702740651312), we get a palindrome (915896698519).

The spelling of 213156047207 in words is "two hundred thirteen billion, one hundred fifty-six million, forty-seven thousand, two hundred seven".