1003451135320 has 32 divisors (see below), whose sum is σ = 2259289674720. Its totient is φ = 401109410560.

The previous prime is 1003451135303. The next prime is 1003451135321. The reversal of 1003451135320 is 235311543001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003451135321) 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 7 ways as a sum of consecutive naturals, for example, 8410132 + ... + 8528611.

It is an arithmetic number, because the mean of its divisors is an integer number (70602802335).

Almost surely, 2^{1003451135320} is an apocalyptic number.

1003451135320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1003451135320 is an abundant number, since it is smaller than the sum of its proper divisors (1255838539400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1003451135320 is a wasteful number, since it uses less digits than its factorization.

1003451135320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16940235 (or 16940231 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 1003451135320 its reverse (235311543001), we get a palindrome (1238762678321).

The spelling of 1003451135320 in words is "one trillion, three billion, four hundred fifty-one million, one hundred thirty-five thousand, three hundred twenty".