331221203033133 has 16 divisors (see below), whose sum is σ = 505592751632000. Its totient is φ = 188941235890176.

The previous prime is 331221203033029. The next prime is 331221203033179. The reversal of 331221203033133 is 331330302122133.

It is not a de Polignac number, because 331221203033133 - 2³⁰ = 331220129291309 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 331221203033133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331221203033533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13667612008 + ... + 13667636241.

It is an arithmetic number, because the mean of its divisors is an integer number (31599546977000).

Almost surely, 2^{331221203033133} is an apocalyptic number.

It is an amenable number.

331221203033133 is a deficient number, since it is larger than the sum of its proper divisors (174371548598867).

331221203033133 is a wasteful number, since it uses less digits than its factorization.

331221203033133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27335248836.

The product of its (nonzero) digits is 17496, while the sum is 30.

Adding to 331221203033133 its reverse (331330302122133), we get a palindrome (662551505155266).

The spelling of 331221203033133 in words is "three hundred thirty-one trillion, two hundred twenty-one billion, two hundred three million, thirty-three thousand, one hundred thirty-three".