331031002230121 has 4 divisors (see below), whose sum is σ = 331042285227600. Its totient is φ = 331019719232644.

The previous prime is 331031002229951. The next prime is 331031002230151. The reversal of 331031002230121 is 121032200130133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 331031002230121 - 2²⁵ = 331030968675689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331031002230092 and 331031002230101.

It is not an unprimeable number, because it can be changed into a prime (331031002230151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5641454731 + ... + 5641513408.

It is an arithmetic number, because the mean of its divisors is an integer number (82760571306900).

Almost surely, 2^{331031002230121} is an apocalyptic number.

It is an amenable number.

331031002230121 is a deficient number, since it is larger than the sum of its proper divisors (11282997479).

331031002230121 is a wasteful number, since it uses less digits than its factorization.

331031002230121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11282997478.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 331031002230121 its reverse (121032200130133), we get a palindrome (452063202360254).

The spelling of 331031002230121 in words is "three hundred thirty-one trillion, thirty-one billion, two million, two hundred thirty thousand, one hundred twenty-one".