2731880101 has 2 divisors, whose sum is σ = 2731880102. Its totient is φ = 2731880100.

The previous prime is 2731880057. The next prime is 2731880111. The reversal of 2731880101 is 1010881372.

It is a happy number.

2731880101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2703896001 + 27984100 = 51999^2 + 5290^2 .

It is a cyclic number.

It is not a de Polignac number, because 2731880101 - 2⁷ = 2731879973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2731880111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1365940050 + 1365940051.

It is an arithmetic number, because the mean of its divisors is an integer number (1365940051).

Almost surely, 2^2731880101 is an apocalyptic number.

It is an amenable number.

2731880101 is a deficient number, since it is larger than the sum of its proper divisors (1).

2731880101 is an equidigital number, since it uses as much as digits as its factorization.

2731880101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 2731880101 is about 52267.3904169703. The cubic root of 2731880101 is about 1397.9357505216.

The spelling of 2731880101 in words is "two billion, seven hundred thirty-one million, eight hundred eighty thousand, one hundred one".