1321004334325 has 24 divisors (see below), whose sum is σ = 1775731373696. Its totient is φ = 969050520000.

The previous prime is 1321004334283. The next prime is 1321004334343. The reversal of 1321004334325 is 5234334001231.

It is a happy number.

It is not a de Polignac number, because 1321004334325 - 2⁹ = 1321004333813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13409961 + ... + 13508110.

Almost surely, 2^{1321004334325} is an apocalyptic number.

It is an amenable number.

1321004334325 is a deficient number, since it is larger than the sum of its proper divisors (454727039371).

1321004334325 is a wasteful number, since it uses less digits than its factorization.

1321004334325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26918245 (or 26918240 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 1321004334325 its reverse (5234334001231), we get a palindrome (6555338335556).

The spelling of 1321004334325 in words is "one trillion, three hundred twenty-one billion, four million, three hundred thirty-four thousand, three hundred twenty-five".