318730428743 has 4 divisors (see below), whose sum is σ = 318954415008. Its totient is φ = 318506442480.

The previous prime is 318730428739. The next prime is 318730428769. The reversal of 318730428743 is 347824037813.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 318730428743 - 2² = 318730428739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 318730428691 and 318730428700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318730428703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111990998 + ... + 111993843.

It is an arithmetic number, because the mean of its divisors is an integer number (79738603752).

Almost surely, 2^318730428743 is an apocalyptic number.

318730428743 is a deficient number, since it is larger than the sum of its proper divisors (223986265).

318730428743 is a wasteful number, since it uses less digits than its factorization.

318730428743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223986264.

The product of its (nonzero) digits is 2709504, while the sum is 50.

The spelling of 318730428743 in words is "three hundred eighteen billion, seven hundred thirty million, four hundred twenty-eight thousand, seven hundred forty-three".