1003321221131 has 16 divisors (see below), whose sum is σ = 1027641720768. Its totient is φ = 979260710400.

The previous prime is 1003321221109. The next prime is 1003321221151. The reversal of 1003321221131 is 1311221233001.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1003321221131 is a prime.

It is a super-2 number, since 2×1003321221131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1003321221151) 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 15 ways as a sum of consecutive naturals, for example, 21044186 + ... + 21091808.

It is an arithmetic number, because the mean of its divisors is an integer number (64227607548).

Almost surely, 2^{1003321221131} is an apocalyptic number.

1003321221131 is a deficient number, since it is larger than the sum of its proper divisors (24320499637).

1003321221131 is a wasteful number, since it uses less digits than its factorization.

1003321221131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50342.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1003321221131 its reverse (1311221233001), we get a palindrome (2314542454132).

The spelling of 1003321221131 in words is "one trillion, three billion, three hundred twenty-one million, two hundred twenty-one thousand, one hundred thirty-one".