231121303 has 8 divisors (see below), whose sum is σ = 265122720. Its totient is φ = 197365920.

The previous prime is 231121279. The next prime is 231121309. The reversal of 231121303 is 303121132.

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 231121303 - 2¹⁷ = 230990231 is a prime.

It is a super-3 number, since 3×231121303³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231121309) 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, 59488 + ... + 63253.

It is an arithmetic number, because the mean of its divisors is an integer number (33140340).

Almost surely, 2^231121303 is an apocalyptic number.

231121303 is a deficient number, since it is larger than the sum of its proper divisors (34001417).

231121303 is a wasteful number, since it uses less digits than its factorization.

231121303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123017.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 231121303 is about 15202.6742055469. The cubic root of 231121303 is about 613.6866263309.

Adding to 231121303 its reverse (303121132), we get a palindrome (534242435).

The spelling of 231121303 in words is "two hundred thirty-one million, one hundred twenty-one thousand, three hundred three".