2100031093 has 2 divisors, whose sum is σ = 2100031094. Its totient is φ = 2100031092.

The previous prime is 2100031091. The next prime is 2100031117. The reversal of 2100031093 is 3901300012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1449934084 + 650097009 = 38078^2 + 25497^2 .

It is a cyclic number.

It is not a de Polignac number, because 2100031093 - 2¹ = 2100031091 is a prime.

Together with 2100031091, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2100031093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100031091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050015546 + 1050015547.

It is an arithmetic number, because the mean of its divisors is an integer number (1050015547).

Almost surely, 2^2100031093 is an apocalyptic number.

It is an amenable number.

2100031093 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100031093 is an equidigital number, since it uses as much as digits as its factorization.

2100031093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 2100031093 is about 45826.0962007457. The cubic root of 2100031093 is about 1280.5854851226.

The spelling of 2100031093 in words is "two billion, one hundred million, thirty-one thousand, ninety-three".