231112031322 has 16 divisors (see below), whose sum is σ = 462603883392. Its totient is φ = 76974040320.

The previous prime is 231112031291. The next prime is 231112031351. The reversal of 231112031322 is 223130211132.

It is a super-2 number, since 2×231112031322² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15817954 + ... + 15832557.

It is an arithmetic number, because the mean of its divisors is an integer number (28912742712).

Almost surely, 2^231112031322 is an apocalyptic number.

231112031322 is an abundant number, since it is smaller than the sum of its proper divisors (231491852070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231112031322 is a wasteful number, since it uses less digits than its factorization.

231112031322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31651733.

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

Adding to 231112031322 its reverse (223130211132), we get a palindrome (454242242454).

The spelling of 231112031322 in words is "two hundred thirty-one billion, one hundred twelve million, thirty-one thousand, three hundred twenty-two".