231103200019 has 2 divisors, whose sum is σ = 231103200020. Its totient is φ = 231103200018.

The previous prime is 231103200001. The next prime is 231103200043. The reversal of 231103200019 is 910002301132.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231103200019 is a prime.

It is a super-2 number, since 2×231103200019² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (231103200089) 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, 115551600009 + 115551600010.

It is an arithmetic number, because the mean of its divisors is an integer number (115551600010).

Almost surely, 2^231103200019 is an apocalyptic number.

231103200019 is a deficient number, since it is larger than the sum of its proper divisors (1).

231103200019 is an equidigital number, since it uses as much as digits as its factorization.

231103200019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The spelling of 231103200019 in words is "two hundred thirty-one billion, one hundred three million, two hundred thousand, nineteen".