232540313 has 2 divisors, whose sum is σ = 232540314. Its totient is φ = 232540312.

The previous prime is 232540267. The next prime is 232540333. The reversal of 232540313 is 313045232.

232540313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 232501504 + 38809 = 15248^2 + 197^2 .

It is a cyclic number.

It is not a de Polignac number, because 232540313 - 2⁶ = 232540249 is a prime.

It is a super-3 number, since 3×232540313³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (232540333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116270156 + 116270157.

It is an arithmetic number, because the mean of its divisors is an integer number (116270157).

Almost surely, 2^232540313 is an apocalyptic number.

It is an amenable number.

232540313 is a deficient number, since it is larger than the sum of its proper divisors (1).

232540313 is an equidigital number, since it uses as much as digits as its factorization.

232540313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 232540313 is about 15249.2725400263. The cubic root of 232540313 is about 614.9400104528.

Adding to 232540313 its reverse (313045232), we get a palindrome (545585545).

The spelling of 232540313 in words is "two hundred thirty-two million, five hundred forty thousand, three hundred thirteen".