232231313 has 4 divisors (see below), whose sum is σ = 235697520. Its totient is φ = 228765108.

The previous prime is 232231309. The next prime is 232231327. The reversal of 232231313 is 313132232.

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 not a de Polignac number, because 232231313 - 2² = 232231309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232231343) 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, 1733003 + ... + 1733136.

It is an arithmetic number, because the mean of its divisors is an integer number (58924380).

Almost surely, 2^232231313 is an apocalyptic number.

It is an amenable number.

232231313 is a deficient number, since it is larger than the sum of its proper divisors (3466207).

232231313 is an equidigital number, since it uses as much as digits as its factorization.

232231313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3466206.

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

The square root of 232231313 is about 15239.1375412128. The cubic root of 232231313 is about 614.6675119088.

Adding to 232231313 its reverse (313132232), we get a palindrome (545363545).

The spelling of 232231313 in words is "two hundred thirty-two million, two hundred thirty-one thousand, three hundred thirteen".