312331232203 has 2 divisors, whose sum is σ = 312331232204. Its totient is φ = 312331232202.

The previous prime is 312331232153. The next prime is 312331232231. The reversal of 312331232203 is 302232133213.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312331232203 is a prime.

It is not a weakly prime, because it can be changed into another prime (312331232243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156165616101 + 156165616102.

It is an arithmetic number, because the mean of its divisors is an integer number (156165616102).

Almost surely, 2^312331232203 is an apocalyptic number.

312331232203 is a deficient number, since it is larger than the sum of its proper divisors (1).

312331232203 is an equidigital number, since it uses as much as digits as its factorization.

312331232203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 312331232203 its reverse (302232133213), we get a palindrome (614563365416).

The spelling of 312331232203 in words is "three hundred twelve billion, three hundred thirty-one million, two hundred thirty-two thousand, two hundred three".