1321111423313 has 16 divisors (see below), whose sum is σ = 1446906333312. Its totient is φ = 1196266848000.

The previous prime is 1321111423297. The next prime is 1321111423343. The reversal of 1321111423313 is 3133241111231.

It is a cyclic number.

It is not a de Polignac number, because 1321111423313 - 2⁴ = 1321111423297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1321111423343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22017593 + ... + 22077513.

It is an arithmetic number, because the mean of its divisors is an integer number (90431645832).

Almost surely, 2^{1321111423313} is an apocalyptic number.

It is an amenable number.

1321111423313 is a deficient number, since it is larger than the sum of its proper divisors (125794909999).

1321111423313 is a wasteful number, since it uses less digits than its factorization.

1321111423313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67816.

The product of its digits is 1296, while the sum is 26.

Adding to 1321111423313 its reverse (3133241111231), we get a palindrome (4454352534544).

The spelling of 1321111423313 in words is "one trillion, three hundred twenty-one billion, one hundred eleven million, four hundred twenty-three thousand, three hundred thirteen".