331420544232550 has 12 divisors (see below), whose sum is σ = 616442212272636. Its totient is φ = 132568217693000.

The previous prime is 331420544232529. The next prime is 331420544232611. The reversal of 331420544232550 is 55232445024133.

It is a junction number, because it is equal to n+sod(n) for n = 331420544232497 and 331420544232506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3314205442276 + ... + 3314205442375.

It is an arithmetic number, because the mean of its divisors is an integer number (51370184356053).

Almost surely, 2^{331420544232550} is an apocalyptic number.

331420544232550 is a deficient number, since it is larger than the sum of its proper divisors (285021668040086).

331420544232550 is a wasteful number, since it uses less digits than its factorization.

331420544232550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6628410884663 (or 6628410884658 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 43.

Adding to 331420544232550 its reverse (55232445024133), we get a palindrome (386652989256683).

The spelling of 331420544232550 in words is "three hundred thirty-one trillion, four hundred twenty billion, five hundred forty-four million, two hundred thirty-two thousand, five hundred fifty".