331484505331 has 16 divisors (see below), whose sum is σ = 395405222400. Its totient is φ = 271711142208.

The previous prime is 331484505259. The next prime is 331484505353. The reversal of 331484505331 is 133505484133.

It is a cyclic number.

It is not a de Polignac number, because 331484505331 - 2⁷ = 331484505203 is a prime.

It is a super-2 number, since 2×331484505331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331484505631) 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 15 ways as a sum of consecutive naturals, for example, 435255 + ... + 923263.

It is an arithmetic number, because the mean of its divisors is an integer number (24712826400).

Almost surely, 2^331484505331 is an apocalyptic number.

331484505331 is a deficient number, since it is larger than the sum of its proper divisors (63920717069).

331484505331 is a wasteful number, since it uses less digits than its factorization.

331484505331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492258.

The product of its (nonzero) digits is 259200, while the sum is 40.

Adding to 331484505331 its reverse (133505484133), we get a palindrome (464989989464).

The spelling of 331484505331 in words is "three hundred thirty-one billion, four hundred eighty-four million, five hundred five thousand, three hundred thirty-one".