2100203030311 has 4 divisors (see below), whose sum is σ = 2104378384752. Its totient is φ = 2096027675872.

The previous prime is 2100203030293. The next prime is 2100203030323. The reversal of 2100203030311 is 1130303020012.

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

It is a cyclic number.

It is not a de Polignac number, because 2100203030311 - 2¹⁹ = 2100202506023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100203030011) 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, 2087676466 + ... + 2087677471.

It is an arithmetic number, because the mean of its divisors is an integer number (526094596188).

Almost surely, 2^{2100203030311} is an apocalyptic number.

2100203030311 is a deficient number, since it is larger than the sum of its proper divisors (4175354441).

2100203030311 is an equidigital number, since it uses as much as digits as its factorization.

2100203030311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4175354440.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 2100203030311 its reverse (1130303020012), we get a palindrome (3230506050323).

The spelling of 2100203030311 in words is "two trillion, one hundred billion, two hundred three million, thirty thousand, three hundred eleven".