320133452503 has 48 divisors (see below), whose sum is σ = 358439558400. Its totient is φ = 284889496320.

The previous prime is 320133452497. The next prime is 320133452531. The reversal of 320133452503 is 305254331023.

It is a de Polignac number, because none of the positive numbers 2^k-320133452503 is a prime.

It is a super-2 number, since 2×320133452503² (a number of 24 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 (320133452533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 517178128 + ... + 517178746.

It is an arithmetic number, because the mean of its divisors is an integer number (7467490800).

Almost surely, 2^320133452503 is an apocalyptic number.

320133452503 is a deficient number, since it is larger than the sum of its proper divisors (38306105897).

320133452503 is a wasteful number, since it uses less digits than its factorization.

320133452503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252 (or 1229 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 31.

Adding to 320133452503 its reverse (305254331023), we get a palindrome (625387783526).

The spelling of 320133452503 in words is "three hundred twenty billion, one hundred thirty-three million, four hundred fifty-two thousand, five hundred three".