318854812343 has 2 divisors, whose sum is σ = 318854812344. Its totient is φ = 318854812342.

The previous prime is 318854812337. The next prime is 318854812433. The reversal of 318854812343 is 343218458813.

Together with next prime (318854812433) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 318854812343 - 2²² = 318850618039 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 318854812291 and 318854812300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (318854812043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159427406171 + 159427406172.

It is an arithmetic number, because the mean of its divisors is an integer number (159427406172).

Almost surely, 2^318854812343 is an apocalyptic number.

318854812343 is a deficient number, since it is larger than the sum of its proper divisors (1).

318854812343 is an equidigital number, since it uses as much as digits as its factorization.

318854812343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2211840, while the sum is 50.

The spelling of 318854812343 in words is "three hundred eighteen billion, eight hundred fifty-four million, eight hundred twelve thousand, three hundred forty-three".