321103312303133 has 16 divisors (see below), whose sum is σ = 327583143034560. Its totient is φ = 314658105979776.

The previous prime is 321103312303099. The next prime is 321103312303139. The reversal of 321103312303133 is 331303213301123.

It is a cyclic number.

It is not a de Polignac number, because 321103312303133 - 2⁴² = 316705265792029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321103312303096 and 321103312303105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321103312303139) 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, 972895985 + ... + 973225977.

It is an arithmetic number, because the mean of its divisors is an integer number (20473946439660).

Almost surely, 2^{321103312303133} is an apocalyptic number.

It is an amenable number.

321103312303133 is a deficient number, since it is larger than the sum of its proper divisors (6479830731427).

321103312303133 is a wasteful number, since it uses less digits than its factorization.

321103312303133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382396.

The product of its (nonzero) digits is 8748, while the sum is 29.

Adding to 321103312303133 its reverse (331303213301123), we get a palindrome (652406525604256).

The spelling of 321103312303133 in words is "three hundred twenty-one trillion, one hundred three billion, three hundred twelve million, three hundred three thousand, one hundred thirty-three".