331221223000019 has 24 divisors (see below), whose sum is σ = 368822295871680. Its totient is φ = 297182390693760.

The previous prime is 331221222999971. The next prime is 331221223000043. The reversal of 331221223000019 is 910000322122133.

It is a de Polignac number, because none of the positive numbers 2^k-331221223000019 is a prime.

It is a super-2 number, since 2×331221223000019² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331221222999955 and 331221223000000.

It is not an unprimeable number, because it can be changed into a prime (331221223080019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17666807 + ... + 31217919.

It is an arithmetic number, because the mean of its divisors is an integer number (15367595661320).

Almost surely, 2^{331221223000019} is an apocalyptic number.

331221223000019 is a deficient number, since it is larger than the sum of its proper divisors (37601072871661).

331221223000019 is a wasteful number, since it uses less digits than its factorization.

331221223000019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13553771 (or 13553760 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 331221223000019 in words is "three hundred thirty-one trillion, two hundred twenty-one billion, two hundred twenty-three million, nineteen", and thus it is an aban number.