331541320422 has 16 divisors (see below), whose sum is σ = 714088998000. Its totient is φ = 102012713952.

The previous prime is 331541320361. The next prime is 331541320423. The reversal of 331541320422 is 224023145133.

It is a self number, because there is not a number n which added to its sum of digits gives 331541320422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331541320423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2125264797 + ... + 2125264952.

It is an arithmetic number, because the mean of its divisors is an integer number (44630562375).

Almost surely, 2^331541320422 is an apocalyptic number.

331541320422 is an abundant number, since it is smaller than the sum of its proper divisors (382547677578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331541320422 is a wasteful number, since it uses less digits than its factorization.

331541320422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4250529767.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 331541320422 its reverse (224023145133), we get a palindrome (555564465555).

The spelling of 331541320422 in words is "three hundred thirty-one billion, five hundred forty-one million, three hundred twenty thousand, four hundred twenty-two".