331010220232 has 8 divisors (see below), whose sum is σ = 620644162950. Its totient is φ = 165505110112.

The previous prime is 331010220187. The next prime is 331010220251. The reversal of 331010220232 is 232022010133.

It can be written as a sum of positive squares in only one way, i.e., 292384607076 + 38625613156 = 540726^2 + 196534^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 20688138757 + ... + 20688138772.

Almost surely, 2^331010220232 is an apocalyptic number.

It is an amenable number.

331010220232 is a deficient number, since it is larger than the sum of its proper divisors (289633942718).

331010220232 is a wasteful number, since it uses less digits than its factorization.

331010220232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41376277535 (or 41376277531 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 331010220232 its reverse (232022010133), we get a palindrome (563032230365).

The spelling of 331010220232 in words is "three hundred thirty-one billion, ten million, two hundred twenty thousand, two hundred thirty-two".