20243110319 has 2 divisors, whose sum is σ = 20243110320. Its totient is φ = 20243110318.

The previous prime is 20243110309. The next prime is 20243110373. The reversal of 20243110319 is 91301134202.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20243110319 is a prime.

It is a super-2 number, since 2×20243110319² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20243110309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10121555159 + 10121555160.

It is an arithmetic number, because the mean of its divisors is an integer number (10121555160).

Almost surely, 2^20243110319 is an apocalyptic number.

20243110319 is a deficient number, since it is larger than the sum of its proper divisors (1).

20243110319 is an equidigital number, since it uses as much as digits as its factorization.

20243110319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 20243110319 in words is "twenty billion, two hundred forty-three million, one hundred ten thousand, three hundred nineteen".