231127345575001 has 2 divisors, whose sum is σ = 231127345575002. Its totient is φ = 231127345575000.

The previous prime is 231127345574999. The next prime is 231127345575011. The reversal of 231127345575001 is 100575543721132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220151376575001 + 10975969000000 = 14837499^2 + 3313000^2 .

It is a cyclic number.

It is not a de Polignac number, because 231127345575001 - 2¹ = 231127345574999 is a prime.

Together with 231127345574999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (231127345575011) 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, 115563672787500 + 115563672787501.

It is an arithmetic number, because the mean of its divisors is an integer number (115563672787501).

Almost surely, 2^{231127345575001} is an apocalyptic number.

It is an amenable number.

231127345575001 is a deficient number, since it is larger than the sum of its proper divisors (1).

231127345575001 is an equidigital number, since it uses as much as digits as its factorization.

231127345575001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 882000, while the sum is 46.

The spelling of 231127345575001 in words is "two hundred thirty-one trillion, one hundred twenty-seven billion, three hundred forty-five million, five hundred seventy-five thousand, one".