1002031021322 has 16 divisors (see below), whose sum is σ = 1505977533792. Its totient is φ = 500039361360.

The previous prime is 1002031021309. The next prime is 1002031021337. The reversal of 1002031021322 is 2231201302001.

It is a super-2 number, since 2×1002031021322² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1002031021322.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2155253 + ... + 2578599.

It is an arithmetic number, because the mean of its divisors is an integer number (94123595862).

Almost surely, 2^{1002031021322} is an apocalyptic number.

1002031021322 is a deficient number, since it is larger than the sum of its proper divisors (503946512470).

1002031021322 is a wasteful number, since it uses less digits than its factorization.

1002031021322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425653.

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

Adding to 1002031021322 its reverse (2231201302001), we get a palindrome (3233232323323).

The spelling of 1002031021322 in words is "one trillion, two billion, thirty-one million, twenty-one thousand, three hundred twenty-two".