1304454031320 has 256 divisors, whose sum is σ = 4386558758400. Its totient is φ = 307540316160.

The previous prime is 1304454031319. The next prime is 1304454031379. The reversal of 1304454031320 is 231304544031.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 133279467 + ... + 133289253.

It is an arithmetic number, because the mean of its divisors is an integer number (17134995150).

Almost surely, 2^{1304454031320} is an apocalyptic number.

1304454031320 is a gapful number since it is divisible by the number (10) 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 1304454031320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2193279379200).

1304454031320 is an abundant number, since it is smaller than the sum of its proper divisors (3082104727080).

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

1304454031320 is a wasteful number, since it uses less digits than its factorization.

1304454031320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12578 (or 12574 counting only the distinct ones).

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

Adding to 1304454031320 its reverse (231304544031), we get a palindrome (1535758575351).

The spelling of 1304454031320 in words is "one trillion, three hundred four billion, four hundred fifty-four million, thirty-one thousand, three hundred twenty".