231312310003 has 2 divisors, whose sum is σ = 231312310004. Its totient is φ = 231312310002.

The previous prime is 231312310001. The next prime is 231312310067. The reversal of 231312310003 is 300013213132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231312310003 - 2¹ = 231312310001 is a prime.

Together with 231312310001, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (231312310001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115656155001 + 115656155002.

It is an arithmetic number, because the mean of its divisors is an integer number (115656155002).

Almost surely, 2^231312310003 is an apocalyptic number.

231312310003 is a deficient number, since it is larger than the sum of its proper divisors (1).

231312310003 is an equidigital number, since it uses as much as digits as its factorization.

231312310003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 231312310003 its reverse (300013213132), we get a palindrome (531325523135).

The spelling of 231312310003 in words is "two hundred thirty-one billion, three hundred twelve million, three hundred ten thousand, three".