331022020133 has 16 divisors (see below), whose sum is σ = 383862935040. Its totient is φ = 279576614016.

The previous prime is 331022020117. The next prime is 331022020157. The reversal of 331022020133 is 331020220133.

It is not a de Polignac number, because 331022020133 - 2⁴ = 331022020117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331022023133) 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, 219191 + ... + 842667.

It is an arithmetic number, because the mean of its divisors is an integer number (23991433440).

Almost surely, 2^331022020133 is an apocalyptic number.

It is an amenable number.

331022020133 is a deficient number, since it is larger than the sum of its proper divisors (52840914907).

331022020133 is a wasteful number, since it uses less digits than its factorization.

331022020133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624596.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 331022020133 its reverse (331020220133), we get a palindrome (662042240266).

The spelling of 331022020133 in words is "three hundred thirty-one billion, twenty-two million, twenty thousand, one hundred thirty-three".