2100230311 has 6 divisors (see below), whose sum is σ = 2140607840. Its totient is φ = 2060600568.

The previous prime is 2100230281. The next prime is 2100230351. The reversal of 2100230311 is 1130320012.

It is a de Polignac number, because none of the positive numbers 2^k-2100230311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2100230291 and 2100230300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100230351) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 371031 + ... + 376648.

Almost surely, 2^2100230311 is an apocalyptic number.

2100230311 is a deficient number, since it is larger than the sum of its proper divisors (40377529).

2100230311 is an frugal number, since it uses more digits than its factorization.

2100230311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747785 (or 747732 counting only the distinct ones).

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

The square root of 2100230311 is about 45828.2697796895. The cubic root of 2100230311 is about 1280.6259777949.

Adding to 2100230311 its reverse (1130320012), we get a palindrome (3230550323).

The spelling of 2100230311 in words is "two billion, one hundred million, two hundred thirty thousand, three hundred eleven".