231110331332 has 6 divisors (see below), whose sum is σ = 404443079838. Its totient is φ = 115555165664.

The previous prime is 231110331299. The next prime is 231110331343. The reversal of 231110331332 is 233133011132.

It can be written as a sum of positive squares in only one way, i.e., 229763000896 + 1347330436 = 479336^2 + 36706^2 .

It is a junction number, because it is equal to n+sod(n) for n = 231110331298 and 231110331307.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28888791413 + ... + 28888791420.

It is an arithmetic number, because the mean of its divisors is an integer number (67407179973).

Almost surely, 2^231110331332 is an apocalyptic number.

It is an amenable number.

231110331332 is a deficient number, since it is larger than the sum of its proper divisors (173332748506).

231110331332 is a wasteful number, since it uses less digits than its factorization.

231110331332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57777582837 (or 57777582835 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 231110331332 its reverse (233133011132), we get a palindrome (464243342464).

The spelling of 231110331332 in words is "two hundred thirty-one billion, one hundred ten million, three hundred thirty-one thousand, three hundred thirty-two".