2100030311 has 4 divisors (see below), whose sum is σ = 2100127872. Its totient is φ = 2099932752.

The previous prime is 2100030301. The next prime is 2100030313. The reversal of 2100030311 is 1130300012.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2100030311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2100030292 and 2100030301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100030313) 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, 686 + ... + 64811.

It is an arithmetic number, because the mean of its divisors is an integer number (525031968).

Almost surely, 2^2100030311 is an apocalyptic number.

2100030311 is a deficient number, since it is larger than the sum of its proper divisors (97561).

2100030311 is an equidigital number, since it uses as much as digits as its factorization.

2100030311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97560.

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

The square root of 2100030311 is about 45826.0876684886. The cubic root of 2100030311 is about 1280.5853261698.

Adding to 2100030311 its reverse (1130300012), we get a palindrome (3230330323).

The spelling of 2100030311 in words is "two billion, one hundred million, thirty thousand, three hundred eleven".