231311000003 has 4 divisors (see below), whose sum is σ = 231782102328. Its totient is φ = 230839897680.

The previous prime is 231310999999. The next prime is 231311000047. The reversal of 231311000003 is 300000113132.

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 231311000003 - 2² = 231310999999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231311000083) 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, 235550426 + ... + 235551407.

It is an arithmetic number, because the mean of its divisors is an integer number (57945525582).

Almost surely, 2^231311000003 is an apocalyptic number.

231311000003 is a deficient number, since it is larger than the sum of its proper divisors (471102325).

231311000003 is an equidigital number, since it uses as much as digits as its factorization.

231311000003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471102324.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 231311000003 its reverse (300000113132), we get a palindrome (531311113135).

The spelling of 231311000003 in words is "two hundred thirty-one billion, three hundred eleven million, three", and thus it is an aban number.