331402303001220 has 192 divisors, whose sum is σ = 1025034568943616. Its totient is φ = 79329003320320.

The previous prime is 331402303001197. The next prime is 331402303001227. The reversal of 331402303001220 is 22100303204133.

It is not an unprimeable number, because it can be changed into a prime (331402303001227) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 99540952 + ... + 102816368.

It is an arithmetic number, because the mean of its divisors is an integer number (5338721713248).

Almost surely, 2^{331402303001220} is an apocalyptic number.

331402303001220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331402303001220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (512517284471808).

331402303001220 is an abundant number, since it is smaller than the sum of its proper divisors (693632265942396).

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

331402303001220 is a wasteful number, since it uses less digits than its factorization.

331402303001220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3277370 (or 3277368 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 331402303001220 its reverse (22100303204133), we get a palindrome (353502606205353).

The spelling of 331402303001220 in words is "three hundred thirty-one trillion, four hundred two billion, three hundred three million, one thousand, two hundred twenty".