1003311423020 has 12 divisors (see below), whose sum is σ = 2106953988384. Its totient is φ = 401324569200.

The previous prime is 1003311422977. The next prime is 1003311423029. The reversal of 1003311423020 is 203241133001.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 50165571151 = 1003311423020 / (1 + 0 + 0 + 3 + 3 + 1 + 1 + 4 + 2 + 3 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 1003311422983 and 1003311423001.

It is not an unprimeable number, because it can be changed into a prime (1003311423029) 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 3 ways as a sum of consecutive naturals, for example, 25082785556 + ... + 25082785595.

It is an arithmetic number, because the mean of its divisors is an integer number (175579499032).

Almost surely, 2^{1003311423020} is an apocalyptic number.

1003311423020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1003311423020 is an abundant number, since it is smaller than the sum of its proper divisors (1103642565364).

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

1003311423020 is a wasteful number, since it uses less digits than its factorization.

1003311423020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50165571160 (or 50165571158 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1003311423020 its reverse (203241133001), we get a palindrome (1206552556021).

The spelling of 1003311423020 in words is "one trillion, three billion, three hundred eleven million, four hundred twenty-three thousand, twenty".