20313119 has 2 divisors, whose sum is σ = 20313120. Its totient is φ = 20313118.

The previous prime is 20313089. The next prime is 20313121. The reversal of 20313119 is 91131302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20313119 - 2⁸ = 20312863 is a prime.

It is a super-2 number, since 2×20313119² = 825245607016322, which contains 22 as substring.

Together with 20313121, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20313119.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20313619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10156559 + 10156560.

It is an arithmetic number, because the mean of its divisors is an integer number (10156560).

Almost surely, 2^20313119 is an apocalyptic number.

20313119 is a deficient number, since it is larger than the sum of its proper divisors (1).

20313119 is an equidigital number, since it uses as much as digits as its factorization.

20313119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 20313119 is about 4507.0077656911. The cubic root of 20313119 is about 272.8509923154.

The spelling of 20313119 in words is "twenty million, three hundred thirteen thousand, one hundred nineteen".