331122313120331 has 4 divisors (see below), whose sum is σ = 331417168253352. Its totient is φ = 330827457987312.

The previous prime is 331122313120309. The next prime is 331122313120367. The reversal of 331122313120331 is 133021313221133.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 331122313120331 - 2⁴² = 326724266609227 is a prime.

It is a super-2 number, since 2×331122313120331² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331122313120294 and 331122313120303.

It is not an unprimeable number, because it can be changed into a prime (331122313120301) 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, 147427564826 + ... + 147427567071.

It is an arithmetic number, because the mean of its divisors is an integer number (82854292063338).

Almost surely, 2^{331122313120331} is an apocalyptic number.

331122313120331 is a deficient number, since it is larger than the sum of its proper divisors (294855133021).

331122313120331 is a wasteful number, since it uses less digits than its factorization.

331122313120331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294855133020.

The product of its (nonzero) digits is 5832, while the sum is 29.

Adding to 331122313120331 its reverse (133021313221133), we get a palindrome (464143626341464).

The spelling of 331122313120331 in words is "three hundred thirty-one trillion, one hundred twenty-two billion, three hundred thirteen million, one hundred twenty thousand, three hundred thirty-one".