2102311441 has 2 divisors, whose sum is σ = 2102311442. Its totient is φ = 2102311440.

The previous prime is 2102311429. The next prime is 2102311447. The reversal of 2102311441 is 1441132012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1513521216 + 588790225 = 38904^2 + 24265^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102311441 - 2⁷ = 2102311313 is a prime.

It is not a weakly prime, because it can be changed into another prime (2102311447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051155720 + 1051155721.

It is an arithmetic number, because the mean of its divisors is an integer number (1051155721).

Almost surely, 2^2102311441 is an apocalyptic number.

It is an amenable number.

2102311441 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102311441 is an equidigital number, since it uses as much as digits as its factorization.

2102311441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2102311441 is about 45850.9699025004. The cubic root of 2102311441 is about 1281.0488313121.

Adding to 2102311441 its reverse (1441132012), we get a palindrome (3543443453).

The spelling of 2102311441 in words is "two billion, one hundred two million, three hundred eleven thousand, four hundred forty-one".