320213202310231 has 16 divisors (see below), whose sum is σ = 325384806240000. Its totient is φ = 315060017126400.

The previous prime is 320213202310223. The next prime is 320213202310291. The reversal of 320213202310231 is 132013202312023.

It is a cyclic number.

It is not a de Polignac number, because 320213202310231 - 2³ = 320213202310223 is a prime.

It is a super-2 number, since 2×320213202310231² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320213202310196 and 320213202310205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320213202310291) 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, 1202008215 + ... + 1202274583.

It is an arithmetic number, because the mean of its divisors is an integer number (20336550390000).

Almost surely, 2^{320213202310231} is an apocalyptic number.

320213202310231 is a deficient number, since it is larger than the sum of its proper divisors (5171603929769).

320213202310231 is a wasteful number, since it uses less digits than its factorization.

320213202310231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300870.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 320213202310231 its reverse (132013202312023), we get a palindrome (452226404622254).

The spelling of 320213202310231 in words is "three hundred twenty trillion, two hundred thirteen billion, two hundred two million, three hundred ten thousand, two hundred thirty-one".