323631061313 has 10 divisors (see below), whose sum is σ = 377547109314. Its totient is φ = 277398050496.

The previous prime is 323631061163. The next prime is 323631061321. The reversal of 323631061313 is 313160136323.

It can be written as a sum of positive squares in only one way, i.e., 322410467344 + 1220593969 = 567812^2 + 34937^2 .

It is not a de Polignac number, because 323631061313 - 2¹⁰ = 323631060289 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 323631061313.

It is not an unprimeable number, because it can be changed into a prime (323631001313) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 67392656 + ... + 67397457.

Almost surely, 2^323631061313 is an apocalyptic number.

It is an amenable number.

323631061313 is a deficient number, since it is larger than the sum of its proper divisors (53916048001).

323631061313 is an frugal number, since it uses more digits than its factorization.

323631061313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134790141 (or 134790120 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 32.

Adding to 323631061313 its reverse (313160136323), we get a palindrome (636791197636).

The spelling of 323631061313 in words is "three hundred twenty-three billion, six hundred thirty-one million, sixty-one thousand, three hundred thirteen".