11311202321 has 8 divisors (see below), whose sum is σ = 11472391680. Its totient is φ = 11150181792.

The previous prime is 11311202293. The next prime is 11311202323. The reversal of 11311202321 is 12320211311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11311202321 - 2⁶ = 11311202257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11311202321.

It is not an unprimeable number, because it can be changed into a prime (11311202323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95936 + ... + 178398.

It is an arithmetic number, because the mean of its divisors is an integer number (1434048960).

Almost surely, 2^11311202321 is an apocalyptic number.

It is an amenable number.

11311202321 is a deficient number, since it is larger than the sum of its proper divisors (161189359).

11311202321 is an equidigital number, since it uses as much as digits as its factorization.

11311202321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84415.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11311202321 its reverse (12320211311), we get a palindrome (23631413632).

The spelling of 11311202321 in words is "eleven billion, three hundred eleven million, two hundred two thousand, three hundred twenty-one".