213231301 has 8 divisors (see below), whose sum is σ = 215731224. Its totient is φ = 210739200.

The previous prime is 213231197. The next prime is 213231353. The reversal of 213231301 is 103132312.

It can be written as a sum of positive squares in 4 ways, for example, as 145564225 + 67667076 = 12065^2 + 8226^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213231301 - 2²⁵ = 179676869 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 (213231371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66405 + ... + 69541.

It is an arithmetic number, because the mean of its divisors is an integer number (26966403).

Almost surely, 2^213231301 is an apocalyptic number.

It is an amenable number.

213231301 is a deficient number, since it is larger than the sum of its proper divisors (2499923).

213231301 is a wasteful number, since it uses less digits than its factorization.

213231301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3911.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 213231301 is about 14602.4416109088. The cubic root of 213231301 is about 597.4253576453.

Adding to 213231301 its reverse (103132312), we get a palindrome (316363613).

It can be divided in two parts, 2132 and 31301, that added together give a palindrome (33433).

The spelling of 213231301 in words is "two hundred thirteen million, two hundred thirty-one thousand, three hundred one".