1021331340304 has 80 divisors (see below), whose sum is σ = 2260715126400. Its totient is φ = 442453524480.

The previous prime is 1021331340287. The next prime is 1021331340313. The reversal of 1021331340304 is 4030431331201.

1021331340304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 665872 + ... + 1576720.

It is an arithmetic number, because the mean of its divisors is an integer number (28258939080).

Almost surely, 2^{1021331340304} 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 1021331340304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1130357563200).

1021331340304 is an abundant number, since it is smaller than the sum of its proper divisors (1239383786096).

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

1021331340304 is a wasteful number, since it uses less digits than its factorization.

1021331340304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911168 (or 911162 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1021331340304 its reverse (4030431331201), we get a palindrome (5051762671505).

The spelling of 1021331340304 in words is "one trillion, twenty-one billion, three hundred thirty-one million, three hundred forty thousand, three hundred four".