1003311220040 has 32 divisors (see below), whose sum is σ = 2257489052280. Its totient is φ = 401317588992.

The previous prime is 1003311219949. The next prime is 1003311220061. The reversal of 1003311220040 is 400221133001.

It can be written as a sum of positive squares in 4 ways, for example, as 949856855236 + 53454364804 = 974606^2 + 231202^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2591582 + ... + 2953458.

Almost surely, 2^{1003311220040} is an apocalyptic number.

1003311220040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1003311220040 is an abundant number, since it is smaller than the sum of its proper divisors (1254177832240).

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

1003311220040 is a wasteful number, since it uses less digits than its factorization.

1003311220040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431201 (or 431197 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1003311220040 its reverse (400221133001), we get a palindrome (1403532353041).

The spelling of 1003311220040 in words is "one trillion, three billion, three hundred eleven million, two hundred twenty thousand, forty".