1303041321040 has 160 divisors (see below), whose sum is σ = 3330349344000. Its totient is φ = 471935692800.

The previous prime is 1303041320981. The next prime is 1303041321067. The reversal of 1303041321040 is 401231403031.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45468636 + ... + 45497284.

It is an arithmetic number, because the mean of its divisors is an integer number (20814683400).

Almost surely, 2^{1303041321040} is an apocalyptic number.

1303041321040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1303041321040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1665174672000).

1303041321040 is an abundant number, since it is smaller than the sum of its proper divisors (2027308022960).

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

1303041321040 is a wasteful number, since it uses less digits than its factorization.

1303041321040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30005 (or 29999 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1303041321040 its reverse (401231403031), we get a palindrome (1704272724071).

The spelling of 1303041321040 in words is "one trillion, three hundred three billion, forty-one million, three hundred twenty-one thousand, forty".