320321002311 has 12 divisors (see below), whose sum is σ = 464486229792. Its totient is φ = 212716409856.

The previous prime is 320321002279. The next prime is 320321002333. The reversal of 320321002311 is 113200123023.

320321002311 is a `hidden beast` number, since 32 + 0 + 321 + 0 + 0 + 2 + 311 = 666.

It is not a de Polignac number, because 320321002311 - 2⁵ = 320321002279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320321002411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69241311 + ... + 69245936.

It is an arithmetic number, because the mean of its divisors is an integer number (38707185816).

Almost surely, 2^320321002311 is an apocalyptic number.

320321002311 is a deficient number, since it is larger than the sum of its proper divisors (144165227481).

320321002311 is a wasteful number, since it uses less digits than its factorization.

320321002311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138487510 (or 138487507 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 320321002311 its reverse (113200123023), we get a palindrome (433521125334).

The spelling of 320321002311 in words is "three hundred twenty billion, three hundred twenty-one million, two thousand, three hundred eleven".