331144421323 has 8 divisors (see below), whose sum is σ = 339372714240. Its totient is φ = 322923347520.

The previous prime is 331144421287. The next prime is 331144421347. The reversal of 331144421323 is 323124441133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331144421323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331144421123) 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, 1711840 + ... + 1895437.

It is an arithmetic number, because the mean of its divisors is an integer number (42421589280).

Almost surely, 2^331144421323 is an apocalyptic number.

331144421323 is a deficient number, since it is larger than the sum of its proper divisors (8228292917).

331144421323 is a wasteful number, since it uses less digits than its factorization.

331144421323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3609557.

The product of its digits is 20736, while the sum is 31.

Adding to 331144421323 its reverse (323124441133), we get a palindrome (654268862456).

The spelling of 331144421323 in words is "three hundred thirty-one billion, one hundred forty-four million, four hundred twenty-one thousand, three hundred twenty-three".