231122003 has 4 divisors (see below), whose sum is σ = 264139440. Its totient is φ = 198104568.

The previous prime is 231121973. The next prime is 231122027. The reversal of 231122003 is 300221132.

It is a happy number.

231122003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 231122003 - 2¹⁶ = 231056467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231122063) 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, 16508708 + ... + 16508721.

It is an arithmetic number, because the mean of its divisors is an integer number (66034860).

Almost surely, 2^231122003 is an apocalyptic number.

231122003 is a deficient number, since it is larger than the sum of its proper divisors (33017437).

231122003 is an equidigital number, since it uses as much as digits as its factorization.

231122003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33017436.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 231122003 is about 15202.6972277948. The cubic root of 231122003 is about 613.6872458904.

Adding to 231122003 its reverse (300221132), we get a palindrome (531343135).

The spelling of 231122003 in words is "two hundred thirty-one million, one hundred twenty-two thousand, three".