312100111303 has 2 divisors, whose sum is σ = 312100111304. Its totient is φ = 312100111302.

The previous prime is 312100111283. The next prime is 312100111319. The reversal of 312100111303 is 303111001213.

It is an a-pointer prime, because the next prime (312100111319) can be obtained adding 312100111303 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312100111303 - 2¹³ = 312100103111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312100111363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156050055651 + 156050055652.

It is an arithmetic number, because the mean of its divisors is an integer number (156050055652).

Almost surely, 2^312100111303 is an apocalyptic number.

312100111303 is a deficient number, since it is larger than the sum of its proper divisors (1).

312100111303 is an equidigital number, since it uses as much as digits as its factorization.

312100111303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 312100111303 its reverse (303111001213), we get a palindrome (615211112516).

The spelling of 312100111303 in words is "three hundred twelve billion, one hundred million, one hundred eleven thousand, three hundred three".