231203200000001 has 4 divisors (see below), whose sum is σ = 231210689363904. Its totient is φ = 231195710636100.

The previous prime is 231203199999931. The next prime is 231203200000009. The reversal of 231203200000001 is 100000002302132.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 231203200000001 - 2³⁰ = 231202126258177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (231203200000009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3744635645 + ... + 3744697386.

It is an arithmetic number, because the mean of its divisors is an integer number (57802672340976).

Almost surely, 2^{231203200000001} is an apocalyptic number.

It is an amenable number.

231203200000001 is a deficient number, since it is larger than the sum of its proper divisors (7489363903).

231203200000001 is an equidigital number, since it uses as much as digits as its factorization.

231203200000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7489363902.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 231203200000001 its reverse (100000002302132), we get a palindrome (331203202302133).

The spelling of 231203200000001 in words is "two hundred thirty-one trillion, two hundred three billion, two hundred million, one", and thus it is an aban number.