331220523425 has 12 divisors (see below), whose sum is σ = 448051035696. Its totient is φ = 240887653200.

The previous prime is 331220523419. The next prime is 331220523437. The reversal of 331220523425 is 524325022133.

It is not a de Polignac number, because 331220523425 - 2³² = 326925556129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 331220523391 and 331220523400.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 602218859 + ... + 602219408.

It is an arithmetic number, because the mean of its divisors is an integer number (37337586308).

Almost surely, 2^331220523425 is an apocalyptic number.

It is an amenable number.

331220523425 is a deficient number, since it is larger than the sum of its proper divisors (116830512271).

331220523425 is a wasteful number, since it uses less digits than its factorization.

331220523425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204438288 (or 1204438283 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 331220523425 its reverse (524325022133), we get a palindrome (855545545558).

The spelling of 331220523425 in words is "three hundred thirty-one billion, two hundred twenty million, five hundred twenty-three thousand, four hundred twenty-five".