320203033031311 has 8 divisors (see below), whose sum is σ = 324887708242944. Its totient is φ = 315549693440280.

The previous prime is 320203033031221. The next prime is 320203033031341. The reversal of 320203033031311 is 113130330302023.

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 320203033031311 - 2¹³ = 320203033023119 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 (320203033031341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7833884565 + ... + 7833925438.

It is an arithmetic number, because the mean of its divisors is an integer number (40610963530368).

Almost surely, 2^{320203033031311} is an apocalyptic number.

320203033031311 is a deficient number, since it is larger than the sum of its proper divisors (4684675211633).

320203033031311 is a wasteful number, since it uses less digits than its factorization.

320203033031311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15667810301.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 320203033031311 its reverse (113130330302023), we get a palindrome (433333363333334).

The spelling of 320203033031311 in words is "three hundred twenty trillion, two hundred three billion, thirty-three million, thirty-one thousand, three hundred eleven".