232021040213 has 4 divisors (see below), whose sum is σ = 233120666208. Its totient is φ = 230921414220.

The previous prime is 232021040183. The next prime is 232021040221. The reversal of 232021040213 is 312040120232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232021040213 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 (232021040233) 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, 549812681 + ... + 549813102.

It is an arithmetic number, because the mean of its divisors is an integer number (58280166552).

Almost surely, 2^232021040213 is an apocalyptic number.

It is an amenable number.

232021040213 is a deficient number, since it is larger than the sum of its proper divisors (1099625995).

232021040213 is a wasteful number, since it uses less digits than its factorization.

232021040213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099625994.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 232021040213 its reverse (312040120232), we get a palindrome (544061160445).

The spelling of 232021040213 in words is "two hundred thirty-two billion, twenty-one million, forty thousand, two hundred thirteen".