232312313 has 4 divisors (see below), whose sum is σ = 232351860. Its totient is φ = 232272768.

The previous prime is 232312309. The next prime is 232312319. The reversal of 232312313 is 313213232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 110607289 + 121705024 = 10517^2 + 11032^2 .

It is a cyclic number.

It is not a de Polignac number, because 232312313 - 2² = 232312309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (232312319) 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, 9008 + ... + 23361.

It is an arithmetic number, because the mean of its divisors is an integer number (58087965).

Almost surely, 2^232312313 is an apocalyptic number.

It is an amenable number.

232312313 is a deficient number, since it is larger than the sum of its proper divisors (39547).

232312313 is an equidigital number, since it uses as much as digits as its factorization.

232312313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39546.

The product of its digits is 648, while the sum is 20.

The square root of 232312313 is about 15241.7949402293. The cubic root of 232312313 is about 614.7389669312.

Adding to 232312313 its reverse (313213232), we get a palindrome (545525545).

The spelling of 232312313 in words is "two hundred thirty-two million, three hundred twelve thousand, three hundred thirteen".