331220321231323 has 16 divisors (see below), whose sum is σ = 353701472947200. Its totient is φ = 309476883774240.

The previous prime is 331220321231299. The next prime is 331220321231383. The reversal of 331220321231323 is 323132123022133.

It is not a de Polignac number, because 331220321231323 - 2³³ = 331211731296731 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331220321231383) 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 15 ways as a sum of consecutive naturals, for example, 43571740 + ... + 50605702.

It is an arithmetic number, because the mean of its divisors is an integer number (22106342059200).

Almost surely, 2^{331220321231323} is an apocalyptic number.

331220321231323 is a deficient number, since it is larger than the sum of its proper divisors (22481151715877).

331220321231323 is a wasteful number, since it uses less digits than its factorization.

331220321231323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7086402.

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 331220321231323 its reverse (323132123022133), we get a palindrome (654352444253456).

The spelling of 331220321231323 in words is "three hundred thirty-one trillion, two hundred twenty billion, three hundred twenty-one million, two hundred thirty-one thousand, three hundred twenty-three".