2100120331 has 8 divisors (see below), whose sum is σ = 2230936400. Its totient is φ = 1971332640.

The previous prime is 2100120329. The next prime is 2100120349. The reversal of 2100120331 is 1330210012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2100120331 - 2¹ = 2100120329 is a prime.

It is a super-2 number, since 2×2100120331² = 8821010809359099122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100120361) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 504960 + ... + 509101.

It is an arithmetic number, because the mean of its divisors is an integer number (278867050).

Almost surely, 2^2100120331 is an apocalyptic number.

2100120331 is a deficient number, since it is larger than the sum of its proper divisors (130816069).

2100120331 is a wasteful number, since it uses less digits than its factorization.

2100120331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014189.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2100120331 is about 45827.0698495987. The cubic root of 2100120331 is about 1280.6036237857.

Adding to 2100120331 its reverse (1330210012), we get a palindrome (3430330343).

The spelling of 2100120331 in words is "two billion, one hundred million, one hundred twenty thousand, three hundred thirty-one".