2101131679 has 2 divisors, whose sum is σ = 2101131680. Its totient is φ = 2101131678.

The previous prime is 2101131653. The next prime is 2101131689. The reversal of 2101131679 is 9761311012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2101131679 - 2¹⁵ = 2101098911 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2101131679.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101131619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050565839 + 1050565840.

It is an arithmetic number, because the mean of its divisors is an integer number (1050565840).

Almost surely, 2^2101131679 is an apocalyptic number.

2101131679 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101131679 is an equidigital number, since it uses as much as digits as its factorization.

2101131679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 2101131679 is about 45838.1029166784. The cubic root of 2101131679 is about 1280.8091561468.

The spelling of 2101131679 in words is "two billion, one hundred one million, one hundred thirty-one thousand, six hundred seventy-nine".