331220221331133 has 8 divisors (see below), whose sum is σ = 448866748033696. Its totient is φ = 217193587758000.

The previous prime is 331220221331123. The next prime is 331220221331143. The reversal of 331220221331133 is 331133122022133.

It is an interprime number because it is at equal distance from previous prime (331220221331123) and next prime (331220221331143).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 331220221331133 - 2⁴ = 331220221331117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 331220221331133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331220221331123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 904973282143 + ... + 904973282508.

It is an arithmetic number, because the mean of its divisors is an integer number (56108343504212).

Almost surely, 2^{331220221331133} is an apocalyptic number.

It is an amenable number.

331220221331133 is a deficient number, since it is larger than the sum of its proper divisors (117646526702563).

331220221331133 is a wasteful number, since it uses less digits than its factorization.

331220221331133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809946564715.

The product of its (nonzero) digits is 11664, while the sum is 30.

Adding to 331220221331133 its reverse (331133122022133), we get a palindrome (662353343353266).

The spelling of 331220221331133 in words is "three hundred thirty-one trillion, two hundred twenty billion, two hundred twenty-one million, three hundred thirty-one thousand, one hundred thirty-three".