312203121107 has 2 divisors, whose sum is σ = 312203121108. Its totient is φ = 312203121106.

The previous prime is 312203121103. The next prime is 312203121151. The reversal of 312203121107 is 701121302213.

It is a weak prime.

It is an emirp because it is prime and its reverse (701121302213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 312203121107 - 2² = 312203121103 is a prime.

It is not a weakly prime, because it can be changed into another prime (312203121101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156101560553 + 156101560554.

It is an arithmetic number, because the mean of its divisors is an integer number (156101560554).

Almost surely, 2^312203121107 is an apocalyptic number.

312203121107 is a deficient number, since it is larger than the sum of its proper divisors (1).

312203121107 is an equidigital number, since it uses as much as digits as its factorization.

312203121107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The spelling of 312203121107 in words is "three hundred twelve billion, two hundred three million, one hundred twenty-one thousand, one hundred seven".