20313234103 has 2 divisors, whose sum is σ = 20313234104. Its totient is φ = 20313234102.

The previous prime is 20313234089. The next prime is 20313234107. The reversal of 20313234103 is 30143231302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20313234103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20313234107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10156617051 + 10156617052.

It is an arithmetic number, because the mean of its divisors is an integer number (10156617052).

Almost surely, 2^20313234103 is an apocalyptic number.

20313234103 is a deficient number, since it is larger than the sum of its proper divisors (1).

20313234103 is an equidigital number, since it uses as much as digits as its factorization.

20313234103 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 22.

Adding to 20313234103 its reverse (30143231302), we get a palindrome (50456465405).

The spelling of 20313234103 in words is "twenty billion, three hundred thirteen million, two hundred thirty-four thousand, one hundred three".