320501455450031 has 4 divisors (see below), whose sum is σ = 320725113131472. Its totient is φ = 320277797768592.

The previous prime is 320501455449971. The next prime is 320501455450081. The reversal of 320501455450031 is 130054554105023.

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 320501455450031 - 2¹⁴ = 320501455433647 is a prime.

It is a super-2 number, since 2×320501455450031² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320501455450081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111828838571 + ... + 111828841436.

It is an arithmetic number, because the mean of its divisors is an integer number (80181278282868).

Almost surely, 2^{320501455450031} is an apocalyptic number.

320501455450031 is a deficient number, since it is larger than the sum of its proper divisors (223657681441).

320501455450031 is a wasteful number, since it uses less digits than its factorization.

320501455450031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223657681440.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 320501455450031 in words is "three hundred twenty trillion, five hundred one billion, four hundred fifty-five million, four hundred fifty thousand, thirty-one".