1321314346445 has 16 divisors (see below), whose sum is σ = 1626970561920. Its totient is φ = 1029592866624.

The previous prime is 1321314346439. The next prime is 1321314346453. The reversal of 1321314346445 is 5446434131231.

It is a cyclic number.

It is not a de Polignac number, because 1321314346445 - 2²⁶ = 1321247237581 is a prime.

It is a congruent number.

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, 8482214 + ... + 8636583.

It is an arithmetic number, because the mean of its divisors is an integer number (101685660120).

Almost surely, 2^{1321314346445} is an apocalyptic number.

It is an amenable number.

1321314346445 is a deficient number, since it is larger than the sum of its proper divisors (305656215475).

1321314346445 is a wasteful number, since it uses less digits than its factorization.

1321314346445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17119204.

The product of its digits is 414720, while the sum is 41.

Adding to 1321314346445 its reverse (5446434131231), we get a palindrome (6767748477676).

The spelling of 1321314346445 in words is "one trillion, three hundred twenty-one billion, three hundred fourteen million, three hundred forty-six thousand, four hundred forty-five".