323210131122013 has 4 divisors (see below), whose sum is σ = 323444171768668. Its totient is φ = 322976090475360.

The previous prime is 323210131122001. The next prime is 323210131122017. The reversal of 323210131122013 is 310221131012323.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45537298985689 + 277672832136324 = 6748133^2 + 16663518^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323210131122013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323210131122017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117020321256 + ... + 117020324017.

It is an arithmetic number, because the mean of its divisors is an integer number (80861042942167).

Almost surely, 2^{323210131122013} is an apocalyptic number.

It is an amenable number.

323210131122013 is a deficient number, since it is larger than the sum of its proper divisors (234040646655).

323210131122013 is a wasteful number, since it uses less digits than its factorization.

323210131122013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234040646654.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 323210131122013 its reverse (310221131012323), we get a palindrome (633431262134336).

The spelling of 323210131122013 in words is "three hundred twenty-three trillion, two hundred ten billion, one hundred thirty-one million, one hundred twenty-two thousand, thirteen".