320203351125499 has 2 divisors, whose sum is σ = 320203351125500. Its totient is φ = 320203351125498.

The previous prime is 320203351125491. The next prime is 320203351125557. The reversal of 320203351125499 is 994521153302023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320203351125499 - 2³ = 320203351125491 is a prime.

It is a super-4 number, since 4×320203351125499⁴ (a number of 59 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (320203351125491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160101675562749 + 160101675562750.

It is an arithmetic number, because the mean of its divisors is an integer number (160101675562750).

Almost surely, 2^{320203351125499} is an apocalyptic number.

320203351125499 is a deficient number, since it is larger than the sum of its proper divisors (1).

320203351125499 is an equidigital number, since it uses as much as digits as its factorization.

320203351125499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1749600, while the sum is 49.

The spelling of 320203351125499 in words is "three hundred twenty trillion, two hundred three billion, three hundred fifty-one million, one hundred twenty-five thousand, four hundred ninety-nine".