1321315404324 has 48 divisors (see below), whose sum is σ = 3115048267968. Its totient is φ = 435870609408.

The previous prime is 1321315404317. The next prime is 1321315404359. The reversal of 1321315404324 is 4234045131231.

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, 28304947 + ... + 28351589.

It is an arithmetic number, because the mean of its divisors is an integer number (64896838916).

Almost surely, 2^{1321315404324} is an apocalyptic number.

It is an amenable number.

1321315404324 is an abundant number, since it is smaller than the sum of its proper divisors (1793732863644).

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

1321315404324 is a wasteful number, since it uses less digits than its factorization.

1321315404324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71084 (or 71082 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 1321315404324 in words is "one trillion, three hundred twenty-one billion, three hundred fifteen million, four hundred four thousand, three hundred twenty-four".