19231101103 has 2 divisors, whose sum is σ = 19231101104. Its totient is φ = 19231101102.

The previous prime is 19231101083. The next prime is 19231101121. The reversal of 19231101103 is 30110113291.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19231101103 - 2³³ = 10641166511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19231101163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9615550551 + 9615550552.

It is an arithmetic number, because the mean of its divisors is an integer number (9615550552).

Almost surely, 2^19231101103 is an apocalyptic number.

19231101103 is a deficient number, since it is larger than the sum of its proper divisors (1).

19231101103 is an equidigital number, since it uses as much as digits as its factorization.

19231101103 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 22.

Adding to 19231101103 its reverse (30110113291), we get a palindrome (49341214394).

The spelling of 19231101103 in words is "nineteen billion, two hundred thirty-one million, one hundred one thousand, one hundred three".