318185153147 has 2 divisors, whose sum is σ = 318185153148. Its totient is φ = 318185153146.

The previous prime is 318185153113. The next prime is 318185153177. The reversal of 318185153147 is 741351581813.

It is a strong prime.

It is an emirp because it is prime and its reverse (741351581813) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 318185153147 - 2¹⁶ = 318185087611 is a prime.

It is not a weakly prime, because it can be changed into another prime (318185153177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159092576573 + 159092576574.

It is an arithmetic number, because the mean of its divisors is an integer number (159092576574).

Almost surely, 2^318185153147 is an apocalyptic number.

318185153147 is a deficient number, since it is larger than the sum of its proper divisors (1).

318185153147 is an equidigital number, since it uses as much as digits as its factorization.

318185153147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 403200, while the sum is 47.

The spelling of 318185153147 in words is "three hundred eighteen billion, one hundred eighty-five million, one hundred fifty-three thousand, one hundred forty-seven".