320455403133 has 16 divisors (see below), whose sum is σ = 435512638656. Its totient is φ = 209520829440.

The previous prime is 320455403129. The next prime is 320455403137. The reversal of 320455403133 is 331304554023.

It is an interprime number because it is at equal distance from previous prime (320455403129) and next prime (320455403137).

It is not a de Polignac number, because 320455403133 - 2² = 320455403129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320455403094 and 320455403103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320455403137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16228 + ... + 800733.

It is an arithmetic number, because the mean of its divisors is an integer number (27219539916).

Almost surely, 2^320455403133 is an apocalyptic number.

It is an amenable number.

320455403133 is a deficient number, since it is larger than the sum of its proper divisors (115057235523).

320455403133 is a wasteful number, since it uses less digits than its factorization.

320455403133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819484.

The product of its (nonzero) digits is 64800, while the sum is 33.

Adding to 320455403133 its reverse (331304554023), we get a palindrome (651759957156).

The spelling of 320455403133 in words is "three hundred twenty billion, four hundred fifty-five million, four hundred three thousand, one hundred thirty-three".