331132132322121 has 8 divisors (see below), whose sum is σ = 475471779744640. Its totient is φ = 203773619890512.

The previous prime is 331132132322107. The next prime is 331132132322129. The reversal of 331132132322121 is 121223231231133.

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 331132132322121 - 2²² = 331132128127817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331132132322129) 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, 4245283747681 + ... + 4245283747758.

It is an arithmetic number, because the mean of its divisors is an integer number (59433972468080).

Almost surely, 2^{331132132322121} is an apocalyptic number.

It is an amenable number.

331132132322121 is a deficient number, since it is larger than the sum of its proper divisors (144339647422519).

331132132322121 is a wasteful number, since it uses less digits than its factorization.

331132132322121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8490567495455.

The product of its digits is 7776, while the sum is 30.

Adding to 331132132322121 its reverse (121223231231133), we get a palindrome (452355363553254).

The spelling of 331132132322121 in words is "three hundred thirty-one trillion, one hundred thirty-two billion, one hundred thirty-two million, three hundred twenty-two thousand, one hundred twenty-one".