312331102003 has 2 divisors, whose sum is σ = 312331102004. Its totient is φ = 312331102002.

The previous prime is 312331101941. The next prime is 312331102021. The reversal of 312331102003 is 300201133213.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312331102003 is a prime.

It is a super-2 number, since 2×312331102003² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (312331109003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156165551001 + 156165551002.

It is an arithmetic number, because the mean of its divisors is an integer number (156165551002).

Almost surely, 2^312331102003 is an apocalyptic number.

312331102003 is a deficient number, since it is larger than the sum of its proper divisors (1).

312331102003 is an equidigital number, since it uses as much as digits as its factorization.

312331102003 is an evil number, because the sum of its binary digits is even.

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

Adding to 312331102003 its reverse (300201133213), we get a palindrome (612532235216).

The spelling of 312331102003 in words is "three hundred twelve billion, three hundred thirty-one million, one hundred two thousand, three".