2100300287 has 2 divisors, whose sum is σ = 2100300288. Its totient is φ = 2100300286.

The previous prime is 2100300281. The next prime is 2100300329. The reversal of 2100300287 is 7820030012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2100300287 - 2²² = 2096105983 is a prime.

It is a super-2 number, since 2×2100300287² = 8822522591144564738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100300281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050150143 + 1050150144.

It is an arithmetic number, because the mean of its divisors is an integer number (1050150144).

Almost surely, 2^2100300287 is an apocalyptic number.

2100300287 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100300287 is an equidigital number, since it uses as much as digits as its factorization.

2100300287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 2100300287 is about 45829.0332322208. The cubic root of 2100300287 is about 1280.6402003761.

Adding to 2100300287 its reverse (7820030012), we get a palindrome (9920330299).

The spelling of 2100300287 in words is "two billion, one hundred million, three hundred thousand, two hundred eighty-seven".