231443322322 has 32 divisors (see below), whose sum is σ = 362800782000. Its totient is φ = 110593824768.

The previous prime is 231443322311. The next prime is 231443322323. The reversal of 231443322322 is 223223344132.

It can be written as a sum of positive squares in 8 ways, for example, as 74507707521 + 156935614801 = 272961^2 + 396151^2 .

It is a super-2 number, since 2×231443322322² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231443322323) 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, 4938054 + ... + 4984702.

Almost surely, 2^231443322322 is an apocalyptic number.

231443322322 is a deficient number, since it is larger than the sum of its proper divisors (131357459678).

231443322322 is a wasteful number, since it uses less digits than its factorization.

231443322322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47550.

The product of its digits is 41472, while the sum is 31.

Adding to 231443322322 its reverse (223223344132), we get a palindrome (454666666454).

The spelling of 231443322322 in words is "two hundred thirty-one billion, four hundred forty-three million, three hundred twenty-two thousand, three hundred twenty-two".