320011102231 has 4 divisors (see below), whose sum is σ = 321384540672. Its totient is φ = 318637663792.

The previous prime is 320011102219. The next prime is 320011102237. The reversal of 320011102231 is 132201110023.

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 320011102231 - 2¹¹ = 320011100183 is a prime.

It is a super-2 number, since 2×320011102231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320011102237) 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, 686718871 + ... + 686719336.

It is an arithmetic number, because the mean of its divisors is an integer number (80346135168).

Almost surely, 2^320011102231 is an apocalyptic number.

320011102231 is a deficient number, since it is larger than the sum of its proper divisors (1373438441).

320011102231 is a wasteful number, since it uses less digits than its factorization.

320011102231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373438440.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 320011102231 its reverse (132201110023), we get a palindrome (452212212254).

The spelling of 320011102231 in words is "three hundred twenty billion, eleven million, one hundred two thousand, two hundred thirty-one".