232021013 has 16 divisors (see below), whose sum is σ = 268376064. Its totient is φ = 196484400.

The previous prime is 232021007. The next prime is 232021051. The reversal of 232021013 is 310120232.

It is a happy number.

232021013 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 232021013 - 2¹⁸ = 231758869 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 (232021213) 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, 239456 + ... + 240422.

It is an arithmetic number, because the mean of its divisors is an integer number (16773504).

Almost surely, 2^232021013 is an apocalyptic number.

It is an amenable number.

232021013 is a deficient number, since it is larger than the sum of its proper divisors (36355051).

232021013 is a wasteful number, since it uses less digits than its factorization.

232021013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 232021013 is about 15232.2359816279. The cubic root of 232021013 is about 614.4819158971.

Adding to 232021013 its reverse (310120232), we get a palindrome (542141245).

The spelling of 232021013 in words is "two hundred thirty-two million, twenty-one thousand, thirteen".