1304224031320 has 32 divisors (see below), whose sum is σ = 3353718938400. Its totient is φ = 447162524928.

The previous prime is 1304224031281. The next prime is 1304224031351. The reversal of 1304224031320 is 231304224031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2328971205 + ... + 2328971764.

It is an arithmetic number, because the mean of its divisors is an integer number (104803716825).

Almost surely, 2^{1304224031320} is an apocalyptic number.

1304224031320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1304224031320 is an abundant number, since it is smaller than the sum of its proper divisors (2049494907080).

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

1304224031320 is a wasteful number, since it uses less digits than its factorization.

1304224031320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4657942987 (or 4657942983 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 1304224031320 its reverse (231304224031), we get a palindrome (1535528255351).

The spelling of 1304224031320 in words is "one trillion, three hundred four billion, two hundred twenty-four million, thirty-one thousand, three hundred twenty".