323211312231 has 16 divisors (see below), whose sum is σ = 433520841600. Its totient is φ = 214188912288.

The previous prime is 323211312223. The next prime is 323211312269. The reversal of 323211312231 is 132213112323.

It is not a de Polignac number, because 323211312231 - 2³ = 323211312223 is a prime.

It is a super-2 number, since 2×323211312231² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323211312271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1314705 + ... + 1541061.

It is an arithmetic number, because the mean of its divisors is an integer number (27095052600).

Almost surely, 2^323211312231 is an apocalyptic number.

323211312231 is a deficient number, since it is larger than the sum of its proper divisors (110309529369).

323211312231 is a wasteful number, since it uses less digits than its factorization.

323211312231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229198.

The product of its digits is 1296, while the sum is 24.

Adding to 323211312231 its reverse (132213112323), we get a palindrome (455424424554).

The spelling of 323211312231 in words is "three hundred twenty-three billion, two hundred eleven million, three hundred twelve thousand, two hundred thirty-one".