331132020322231 has 16 divisors (see below), whose sum is σ = 341480554416288. Its totient is φ = 320857450560000.

The previous prime is 331132020322223. The next prime is 331132020322277. The reversal of 331132020322231 is 132223020231133.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 331132020322231 - 2³ = 331132020322223 is a prime.

It is a super-2 number, since 2×331132020322231² (a number of 30 digits) contains 22 as substring.

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 331132020322231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331132020332231) 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, 69702651 + ... + 74301571.

It is an arithmetic number, because the mean of its divisors is an integer number (21342534651018).

Almost surely, 2^{331132020322231} is an apocalyptic number.

331132020322231 is a deficient number, since it is larger than the sum of its proper divisors (10348534094057).

331132020322231 is a wasteful number, since it uses less digits than its factorization.

331132020322231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4606962.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 331132020322231 its reverse (132223020231133), we get a palindrome (463355040553364).

The spelling of 331132020322231 in words is "three hundred thirty-one trillion, one hundred thirty-two billion, twenty million, three hundred twenty-two thousand, two hundred thirty-one".