331012100 has 36 divisors (see below), whose sum is σ = 760552884. Its totient is φ = 124615680.

The previous prime is 331012043. The next prime is 331012163. The reversal of 331012100 is 1210133.

331012100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 3474496 + 327537604 = 1864^2 + 18098^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95657 + ... + 99056.

It is an arithmetic number, because the mean of its divisors is an integer number (21126469).

Almost surely, 2^331012100 is an apocalyptic number.

It is an amenable number.

331012100 is an abundant number, since it is smaller than the sum of its proper divisors (429540784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331012100 is a wasteful number, since it uses less digits than its factorization.

331012100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194744 (or 194737 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 331012100 is about 18193.7379336958. The cubic root of 331012100 is about 691.7480706112.

Adding to 331012100 its reverse (1210133), we get a palindrome (332222233).

The spelling of 331012100 in words is "three hundred thirty-one million, twelve thousand, one hundred".