320982743 has 2 divisors, whose sum is σ = 320982744. Its totient is φ = 320982742.

The previous prime is 320982731. The next prime is 320982799. The reversal of 320982743 is 347289023.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320982743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320982697 and 320982706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320982703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160491371 + 160491372.

It is an arithmetic number, because the mean of its divisors is an integer number (160491372).

Almost surely, 2^320982743 is an apocalyptic number.

320982743 is a deficient number, since it is larger than the sum of its proper divisors (1).

320982743 is an equidigital number, since it uses as much as digits as its factorization.

320982743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 320982743 is about 17915.9912647891. The cubic root of 320982743 is about 684.6898576468.

The spelling of 320982743 in words is "three hundred twenty million, nine hundred eighty-two thousand, seven hundred forty-three".