232313331 has 4 divisors (see below), whose sum is σ = 309751112. Its totient is φ = 154875552.

The previous prime is 232313297. The next prime is 232313357. The reversal of 232313331 is 133313232.

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

It is not a de Polignac number, because 232313331 - 2⁷ = 232313203 is a prime.

It is a super-2 number, since 2×232313331² = 107938967520631122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232313298 and 232313307.

It is not an unprimeable number, because it can be changed into a prime (232313131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38718886 + ... + 38718891.

It is an arithmetic number, because the mean of its divisors is an integer number (77437778).

Almost surely, 2^232313331 is an apocalyptic number.

232313331 is a deficient number, since it is larger than the sum of its proper divisors (77437781).

232313331 is an equidigital number, since it uses as much as digits as its factorization.

232313331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77437780.

The product of its digits is 972, while the sum is 21.

The square root of 232313331 is about 15241.8283352097. The cubic root of 232313331 is about 614.7398648652.

Adding to 232313331 its reverse (133313232), we get a palindrome (365626563).

Subtracting from 232313331 its reverse (133313232), we obtain a palindrome (99000099).

It can be divided in two parts, 23231 and 3331, that added together give a palindrome (26562).

The spelling of 232313331 in words is "two hundred thirty-two million, three hundred thirteen thousand, three hundred thirty-one".