331421442139 has 4 divisors (see below), whose sum is σ = 342849767760. Its totient is φ = 319993116520.

The previous prime is 331421442119. The next prime is 331421442151. The reversal of 331421442139 is 931244124133.

It is a happy number.

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 331421442139 - 2¹⁹ = 331420917851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331421442098 and 331421442107.

It is not an unprimeable number, because it can be changed into a prime (331421442119) 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, 5714162767 + ... + 5714162824.

It is an arithmetic number, because the mean of its divisors is an integer number (85712441940).

Almost surely, 2^331421442139 is an apocalyptic number.

331421442139 is a deficient number, since it is larger than the sum of its proper divisors (11428325621).

331421442139 is a wasteful number, since it uses less digits than its factorization.

331421442139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11428325620.

The product of its digits is 62208, while the sum is 37.

The spelling of 331421442139 in words is "three hundred thirty-one billion, four hundred twenty-one million, four hundred forty-two thousand, one hundred thirty-nine".