2101344481 has 2 divisors, whose sum is σ = 2101344482. Its totient is φ = 2101344480.

The previous prime is 2101344473. The next prime is 2101344527. The reversal of 2101344481 is 1844431012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1445216256 + 656128225 = 38016^2 + 25615^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101344481 - 2³ = 2101344473 is a prime.

It is a super-2 number, since 2×2101344481² = 8831297255658318722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2141344481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050672240 + 1050672241.

It is an arithmetic number, because the mean of its divisors is an integer number (1050672241).

Almost surely, 2^2101344481 is an apocalyptic number.

It is an amenable number.

2101344481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101344481 is an equidigital number, since it uses as much as digits as its factorization.

2101344481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 2101344481 is about 45840.4240927154. The cubic root of 2101344481 is about 1280.8523946790.

Adding to 2101344481 its reverse (1844431012), we get a palindrome (3945775493).

The spelling of 2101344481 in words is "two billion, one hundred one million, three hundred forty-four thousand, four hundred eighty-one".