21232313119 has 2 divisors, whose sum is σ = 21232313120. Its totient is φ = 21232313118.

The previous prime is 21232313117. The next prime is 21232313273. The reversal of 21232313119 is 91131323212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21232313119 - 2¹ = 21232313117 is a prime.

It is a super-2 number, since 2×21232313119² (a number of 21 digits) contains 22 as substring.

Together with 21232313117, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21232313117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10616156559 + 10616156560.

It is an arithmetic number, because the mean of its divisors is an integer number (10616156560).

Almost surely, 2^21232313119 is an apocalyptic number.

21232313119 is a deficient number, since it is larger than the sum of its proper divisors (1).

21232313119 is an equidigital number, since it uses as much as digits as its factorization.

21232313119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 28.

The spelling of 21232313119 in words is "twenty-one billion, two hundred thirty-two million, three hundred thirteen thousand, one hundred nineteen".