320232020311 has 16 divisors (see below), whose sum is σ = 384805995840. Its totient is φ = 260675009280.

The previous prime is 320232020293. The next prime is 320232020333. The reversal of 320232020311 is 113020232023.

It is not a de Polignac number, because 320232020311 - 2⁷ = 320232020183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320232023311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12917926 + ... + 12942691.

It is an arithmetic number, because the mean of its divisors is an integer number (24050374740).

Almost surely, 2^320232020311 is an apocalyptic number.

320232020311 is a deficient number, since it is larger than the sum of its proper divisors (64573975529).

320232020311 is a wasteful number, since it uses less digits than its factorization.

320232020311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25860714.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 320232020311 its reverse (113020232023), we get a palindrome (433252252334).

The spelling of 320232020311 in words is "three hundred twenty billion, two hundred thirty-two million, twenty thousand, three hundred eleven".