2100330131 has 4 divisors (see below), whose sum is σ = 2105568264. Its totient is φ = 2095092000.

The previous prime is 2100330097. The next prime is 2100330173. The reversal of 2100330131 is 1310330012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2100330131 is a prime.

It is a super-2 number, since 2×2100330131² = 8822773318372954322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100330181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2618465 + ... + 2619266.

It is an arithmetic number, because the mean of its divisors is an integer number (526392066).

Almost surely, 2^2100330131 is an apocalyptic number.

2100330131 is a deficient number, since it is larger than the sum of its proper divisors (5238133).

2100330131 is an equidigital number, since it uses as much as digits as its factorization.

2100330131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5238132.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 2100330131 is about 45829.3588325213. The cubic root of 2100330131 is about 1280.6462660556.

Adding to 2100330131 its reverse (1310330012), we get a palindrome (3410660143).

The spelling of 2100330131 in words is "two billion, one hundred million, three hundred thirty thousand, one hundred thirty-one".