213231201 has 16 divisors (see below), whose sum is σ = 292363008. Its totient is φ = 138153600.

The previous prime is 213231197. The next prime is 213231353. The reversal of 213231201 is 102132312.

213231201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213231201 - 2² = 213231197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213231701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30135 + ... + 36531.

It is an arithmetic number, because the mean of its divisors is an integer number (18272688).

Almost surely, 2^213231201 is an apocalyptic number.

It is an amenable number.

213231201 is a deficient number, since it is larger than the sum of its proper divisors (79131807).

213231201 is a wasteful number, since it uses less digits than its factorization.

213231201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6712.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 213231201 is about 14602.4381868235. The cubic root of 213231201 is about 597.4252642529.

Adding to 213231201 its reverse (102132312), we get a palindrome (315363513).

It can be divided in two parts, 2132 and 31201, that added together give a palindrome (33333).

The spelling of 213231201 in words is "two hundred thirteen million, two hundred thirty-one thousand, two hundred one".