1311020003022 has 16 divisors (see below), whose sum is σ = 2630471006592. Its totient is φ = 435601500920.

The previous prime is 1311020002937. The next prime is 1311020003057. The reversal of 1311020003022 is 2203000201131.

It is a junction number, because it is equal to n+sod(n) for n = 1311020002992 and 1311020003010.

It is a congruent number.

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, 351289668 + ... + 351293399.

It is an arithmetic number, because the mean of its divisors is an integer number (164404437912).

Almost surely, 2^{1311020003022} is an apocalyptic number.

1311020003022 is an abundant number, since it is smaller than the sum of its proper divisors (1319451003570).

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

1311020003022 is a wasteful number, since it uses less digits than its factorization.

1311020003022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702583383.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1311020003022 its reverse (2203000201131), we get a palindrome (3514020204153).

The spelling of 1311020003022 in words is "one trillion, three hundred eleven billion, twenty million, three thousand, twenty-two".