331122031121 has 8 divisors (see below), whose sum is σ = 380346120000. Its totient is φ = 282378177648.

The previous prime is 331122031067. The next prime is 331122031151. The reversal of 331122031121 is 121130221133.

It is a happy number.

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

It is not a de Polignac number, because 331122031121 - 2³⁸ = 56244124177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 331122031093 and 331122031102.

It is not an unprimeable number, because it can be changed into a prime (331122031151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120057371 + ... + 120060128.

It is an arithmetic number, because the mean of its divisors is an integer number (47543265000).

Almost surely, 2^331122031121 is an apocalyptic number.

It is an amenable number.

331122031121 is a deficient number, since it is larger than the sum of its proper divisors (49224088879).

331122031121 is a wasteful number, since it uses less digits than its factorization.

331122031121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240117703.

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

Adding to 331122031121 its reverse (121130221133), we get a palindrome (452252252254).

The spelling of 331122031121 in words is "three hundred thirty-one billion, one hundred twenty-two million, thirty-one thousand, one hundred twenty-one".