331462733420 has 144 divisors (see below), whose sum is σ = 876825750528. Its totient is φ = 104322193920.

The previous prime is 331462733419. The next prime is 331462733477. The reversal of 331462733420 is 24337264133.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2234069 + ... + 2377811.

It is an arithmetic number, because the mean of its divisors is an integer number (6089067712).

Almost surely, 2^331462733420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331462733420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (438412875264).

331462733420 is an abundant number, since it is smaller than the sum of its proper divisors (545363017108).

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

331462733420 is a wasteful number, since it uses less digits than its factorization.

331462733420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143960 (or 143951 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 38.

Adding to 331462733420 its reverse (24337264133), we get a palindrome (355799997553).

The spelling of 331462733420 in words is "three hundred thirty-one billion, four hundred sixty-two million, seven hundred thirty-three thousand, four hundred twenty".