321313123211103 has 12 divisors (see below), whose sum is σ = 464145291957360. Its totient is φ = 214196593634496.

The previous prime is 321313123211083. The next prime is 321313123211131. The reversal of 321313123211103 is 301112321313123.

321313123211103 is a `hidden beast` number, since 3 + 2 + 1 + 31 + 312 + 3 + 211 + 103 = 666.

It is not a de Polignac number, because 321313123211103 - 2⁹ = 321313123210591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321313123211803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1012763658 + ... + 1013080871.

It is an arithmetic number, because the mean of its divisors is an integer number (38678774329780).

Almost surely, 2^{321313123211103} is an apocalyptic number.

321313123211103 is a deficient number, since it is larger than the sum of its proper divisors (142832168746257).

321313123211103 is a wasteful number, since it uses less digits than its factorization.

321313123211103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2025862158 (or 2025862155 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

Adding to 321313123211103 its reverse (301112321313123), we get a palindrome (622425444524226).

The spelling of 321313123211103 in words is "three hundred twenty-one trillion, three hundred thirteen billion, one hundred twenty-three million, two hundred eleven thousand, one hundred three".