20323131319 has 2 divisors, whose sum is σ = 20323131320. Its totient is φ = 20323131318.

The previous prime is 20323131277. The next prime is 20323131341. The reversal of 20323131319 is 91313132302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20323131319 - 2¹¹ = 20323129271 is a prime.

It is a super-2 number, since 2×20323131319² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20323131119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10161565659 + 10161565660.

It is an arithmetic number, because the mean of its divisors is an integer number (10161565660).

Almost surely, 2^20323131319 is an apocalyptic number.

20323131319 is a deficient number, since it is larger than the sum of its proper divisors (1).

20323131319 is an equidigital number, since it uses as much as digits as its factorization.

20323131319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 28.

The spelling of 20323131319 in words is "twenty billion, three hundred twenty-three million, one hundred thirty-one thousand, three hundred nineteen".