2100314081 has 2 divisors, whose sum is σ = 2100314082. Its totient is φ = 2100314080.

The previous prime is 2100314053. The next prime is 2100314107. The reversal of 2100314081 is 1804130012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2098464481 + 1849600 = 45809^2 + 1360^2 .

It is a cyclic number.

It is not a de Polignac number, because 2100314081 - 2¹⁴ = 2100297697 is a prime.

It is a super-2 number, since 2×2100314081² = 8822638477693749122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2100364081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050157040 + 1050157041.

It is an arithmetic number, because the mean of its divisors is an integer number (1050157041).

Almost surely, 2^2100314081 is an apocalyptic number.

It is an amenable number.

2100314081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100314081 is an equidigital number, since it uses as much as digits as its factorization.

2100314081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 2100314081 is about 45829.1837260931. The cubic root of 2100314081 is about 1280.6430039613.

Adding to 2100314081 its reverse (1804130012), we get a palindrome (3904444093).

The spelling of 2100314081 in words is "two billion, one hundred million, three hundred fourteen thousand, eighty-one".