331120101 has 32 divisors (see below), whose sum is σ = 507185280. Its totient is φ = 190347264.

The previous prime is 331120093. The next prime is 331120103. The reversal of 331120101 is 101021133.

It is not a de Polignac number, because 331120101 - 2³ = 331120093 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331120103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90361 + ... + 93953.

It is an arithmetic number, because the mean of its divisors is an integer number (15849540).

Almost surely, 2^331120101 is an apocalyptic number.

It is an amenable number.

331120101 is a deficient number, since it is larger than the sum of its proper divisors (176065179).

331120101 is a wasteful number, since it uses less digits than its factorization.

331120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3765.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 331120101 is about 18196.7057732986. The cubic root of 331120101 is about 691.8232958166.

Adding to 331120101 its reverse (101021133), we get a palindrome (432141234).

The spelling of 331120101 in words is "three hundred thirty-one million, one hundred twenty thousand, one hundred one".