320312302111 has 4 divisors (see below), whose sum is σ = 321452203824. Its totient is φ = 319172400400.

The previous prime is 320312302099. The next prime is 320312302133. The reversal of 320312302111 is 111203213023.

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

It is a cyclic number.

It is not a de Polignac number, because 320312302111 - 2¹³ = 320312293919 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 (320312302151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 569950435 + ... + 569950996.

It is an arithmetic number, because the mean of its divisors is an integer number (80363050956).

Almost surely, 2^320312302111 is an apocalyptic number.

320312302111 is a deficient number, since it is larger than the sum of its proper divisors (1139901713).

320312302111 is a wasteful number, since it uses less digits than its factorization.

320312302111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139901712.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 320312302111 its reverse (111203213023), we get a palindrome (431515515134).

The spelling of 320312302111 in words is "three hundred twenty billion, three hundred twelve million, three hundred two thousand, one hundred eleven".