321104113 has 6 divisors (see below), whose sum is σ = 352949282. Its totient is φ = 291912720.

The previous prime is 321104101. The next prime is 321104117. The reversal of 321104113 is 311401123.

It can be written as a sum of positive squares in only one way, i.e., 314814049 + 6290064 = 17743^2 + 2508^2 .

It is a de Polignac number, because none of the positive numbers 2^k-321104113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321104117) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1326756 + ... + 1326997.

Almost surely, 2^321104113 is an apocalyptic number.

It is an amenable number.

321104113 is a deficient number, since it is larger than the sum of its proper divisors (31845169).

321104113 is a wasteful number, since it uses less digits than its factorization.

321104113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2653775 (or 2653764 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 321104113 is about 17919.3781421120. The cubic root of 321104113 is about 684.7761450854.

Adding to 321104113 its reverse (311401123), we get a palindrome (632505236).

The spelling of 321104113 in words is "three hundred twenty-one million, one hundred four thousand, one hundred thirteen".