2171132351 has 2 divisors, whose sum is σ = 2171132352. Its totient is φ = 2171132350.

The previous prime is 2171132329. The next prime is 2171132377. The reversal of 2171132351 is 1532311712.

It is an a-pointer prime, because the next prime (2171132377) can be obtained adding 2171132351 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2171132351 - 2¹⁰ = 2171131327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2171132351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2171132321) 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, 1085566175 + 1085566176.

It is an arithmetic number, because the mean of its divisors is an integer number (1085566176).

Almost surely, 2^2171132351 is an apocalyptic number.

2171132351 is a deficient number, since it is larger than the sum of its proper divisors (1).

2171132351 is an equidigital number, since it uses as much as digits as its factorization.

2171132351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260, while the sum is 26.

The square root of 2171132351 is about 46595.4112654884. The cubic root of 2171132351 is about 1294.8777434115.

The spelling of 2171132351 in words is "two billion, one hundred seventy-one million, one hundred thirty-two thousand, three hundred fifty-one".