331120022131 has 4 divisors (see below), whose sum is σ = 335109420072. Its totient is φ = 327130624192.

The previous prime is 331120022089. The next prime is 331120022159. The reversal of 331120022131 is 131220021133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131220021133 = 323579 ⋅405527.

It is a cyclic number.

It is not a de Polignac number, because 331120022131 - 2¹⁹ = 331119497843 is a prime.

It is a super-2 number, since 2×331120022131² (a number of 24 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 = 331120022099 and 331120022108.

It is not an unprimeable number, because it can be changed into a prime (331120026131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1994698846 + ... + 1994699011.

It is an arithmetic number, because the mean of its divisors is an integer number (83777355018).

Almost surely, 2^331120022131 is an apocalyptic number.

331120022131 is a deficient number, since it is larger than the sum of its proper divisors (3989397941).

331120022131 is an equidigital number, since it uses as much as digits as its factorization.

331120022131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3989397940.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 331120022131 its reverse (131220021133), we get a palindrome (462340043264).

The spelling of 331120022131 in words is "three hundred thirty-one billion, one hundred twenty million, twenty-two thousand, one hundred thirty-one".