331043302225 has 24 divisors (see below), whose sum is σ = 438062819328. Its totient is φ = 247293446400.

The previous prime is 331043302103. The next prime is 331043302267. The reversal of 331043302225 is 522203340133.

It is not a de Polignac number, because 331043302225 - 2⁷ = 331043302097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331043302193 and 331043302202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3012661 + ... + 3120610.

It is an arithmetic number, because the mean of its divisors is an integer number (18252617472).

Almost surely, 2^331043302225 is an apocalyptic number.

It is an amenable number.

331043302225 is a deficient number, since it is larger than the sum of its proper divisors (107019517103).

331043302225 is a wasteful number, since it uses less digits than its factorization.

331043302225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6133425 (or 6133420 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 331043302225 its reverse (522203340133), we get a palindrome (853246642358).

The spelling of 331043302225 in words is "three hundred thirty-one billion, forty-three million, three hundred two thousand, two hundred twenty-five".