312333121147 has 2 divisors, whose sum is σ = 312333121148. Its totient is φ = 312333121146.

The previous prime is 312333121003. The next prime is 312333121157. The reversal of 312333121147 is 741121333213.

It is a strong prime.

It is an emirp because it is prime and its reverse (741121333213) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312333121147 is a prime.

It is not a weakly prime, because it can be changed into another prime (312333121157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156166560573 + 156166560574.

It is an arithmetic number, because the mean of its divisors is an integer number (156166560574).

Almost surely, 2^312333121147 is an apocalyptic number.

312333121147 is a deficient number, since it is larger than the sum of its proper divisors (1).

312333121147 is an equidigital number, since it uses as much as digits as its factorization.

312333121147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 31.

The spelling of 312333121147 in words is "three hundred twelve billion, three hundred thirty-three million, one hundred twenty-one thousand, one hundred forty-seven".