320211132231 has 8 divisors (see below), whose sum is σ = 436877203840. Its totient is φ = 208509574392.

The previous prime is 320211132223. The next prime is 320211132239. The reversal of 320211132231 is 132231112023.

It is an interprime number because it is at equal distance from previous prime (320211132223) and next prime (320211132239).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 320211132231 - 2³ = 320211132223 is a prime.

It is a super-2 number, since 2×320211132231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320211132198 and 320211132207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320211132239) 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, 1241128291 + ... + 1241128548.

It is an arithmetic number, because the mean of its divisors is an integer number (54609650480).

Almost surely, 2^320211132231 is an apocalyptic number.

320211132231 is a deficient number, since it is larger than the sum of its proper divisors (116666071609).

320211132231 is a wasteful number, since it uses less digits than its factorization.

320211132231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2482256885.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 320211132231 its reverse (132231112023), we get a palindrome (452442244254).

The spelling of 320211132231 in words is "three hundred twenty billion, two hundred eleven million, one hundred thirty-two thousand, two hundred thirty-one".