1617231222013 has 16 divisors (see below), whose sum is σ = 1779106518720. Its totient is φ = 1457869795200.

The previous prime is 1617231221951. The next prime is 1617231222053. The reversal of 1617231222013 is 3102221327161.

It is a cyclic number.

It is not a de Polignac number, because 1617231222013 - 2¹³ = 1617231213821 is a prime.

It is a super-2 number, since 2×1617231222013² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1617231222053) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 105648 + ... + 1801561.

It is an arithmetic number, because the mean of its divisors is an integer number (111194157420).

Almost surely, 2^{1617231222013} is an apocalyptic number.

It is an amenable number.

1617231222013 is a deficient number, since it is larger than the sum of its proper divisors (161875296707).

1617231222013 is a wasteful number, since it uses less digits than its factorization.

1617231222013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907868.

The product of its (nonzero) digits is 6048, while the sum is 31.

Adding to 1617231222013 its reverse (3102221327161), we get a palindrome (4719452549174).

The spelling of 1617231222013 in words is "one trillion, six hundred seventeen billion, two hundred thirty-one million, two hundred twenty-two thousand, thirteen".