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231342303 = 3233352787

231342303 has 8 divisors (see below), whose sum is σ = 321867648. Its totient is φ = 147522584.

The previous prime is 231342289. The next prime is 231342323. The reversal of 231342303 is 303243132.

Adding to 231342303 its reverse (303243132), we get a palindrome (534585435).

231342303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231342303 - 29 = 231341791 is a prime.

It is a super-2 number, since 2×2313423032 = 107038522314687618, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 231342303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231342323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1676325 + ... + 1676462.

It is an arithmetic number, because the mean of its divisors is an integer number (40233456).

Almost surely, 2231342303 is an apocalyptic number.

231342303 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

231342303 is a deficient number, since it is larger than the sum of its proper divisors (90525345).

231342303 is a wasteful number, since it uses less digits than its factorization.

231342303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3352813.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 231342303 is about 15209.9409269070. The cubic root of 231342303 is about 613.8821680041.

The spelling of 231342303 in words is "two hundred thirty-one million, three hundred forty-two thousand, three hundred three".

Divisors: 1 3 23 69 3352787 10058361 77114101 231342303