331225405105 has 40 divisors (see below), whose sum is σ = 464110193664. Its totient is φ = 226919196000.

The previous prime is 331225405099. The next prime is 331225405109. The reversal of 331225405105 is 501504522133.

It is not a de Polignac number, because 331225405105 - 2⁷ = 331225404977 is a prime.

It is a super-2 number, since 2×331225405105² (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 (331225405109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 13805770 + ... + 13829740.

Almost surely, 2^331225405105 is an apocalyptic number.

331225405105 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

331225405105 is a deficient number, since it is larger than the sum of its proper divisors (132884788559).

331225405105 is an equidigital number, since it uses as much as digits as its factorization.

331225405105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25155 (or 25134 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 331225405105 its reverse (501504522133), we get a palindrome (832729927238).

The spelling of 331225405105 in words is "three hundred thirty-one billion, two hundred twenty-five million, four hundred five thousand, one hundred five".