331031112122 has 8 divisors (see below), whose sum is σ = 502125844500. Its totient is φ = 163655830624.

The previous prime is 331031112121. The next prime is 331031112133. The reversal of 331031112122 is 221211130133.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 331017266281 + 13845841 = 575341^2 + 3721^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 331031112094 and 331031112103.

It is not an unprimeable number, because it can be changed into a prime (331031112121) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 929862497 + ... + 929862852.

Almost surely, 2^331031112122 is an apocalyptic number.

331031112122 is a deficient number, since it is larger than the sum of its proper divisors (171094732378).

331031112122 is a wasteful number, since it uses less digits than its factorization.

331031112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1859725440.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 331031112122 its reverse (221211130133), we get a palindrome (552242242255).

The spelling of 331031112122 in words is "three hundred thirty-one billion, thirty-one million, one hundred twelve thousand, one hundred twenty-two".