1003113121332 has 96 divisors (see below), whose sum is σ = 2898187471872. Its totient is φ = 263471556096.

The previous prime is 1003113121321. The next prime is 1003113121337. The reversal of 1003113121332 is 2331213113001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1003113121299 and 1003113121308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003113121337) 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 31 ways as a sum of consecutive naturals, for example, 8106738 + ... + 8229545.

It is an arithmetic number, because the mean of its divisors is an integer number (30189452832).

Almost surely, 2^{1003113121332} is an apocalyptic number.

1003113121332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1003113121332 is an abundant number, since it is smaller than the sum of its proper divisors (1895074350540).

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

1003113121332 is a wasteful number, since it uses less digits than its factorization.

1003113121332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16336357 (or 16336355 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1003113121332 its reverse (2331213113001), we get a palindrome (3334326234333).

The spelling of 1003113121332 in words is "one trillion, three billion, one hundred thirteen million, one hundred twenty-one thousand, three hundred thirty-two".