231200101001 has 4 divisors (see below), whose sum is σ = 231268934400. Its totient is φ = 231131267604.

The previous prime is 231200100941. The next prime is 231200101019. The reversal of 231200101001 is 100101002132.

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 a de Polignac number, because none of the positive numbers 2^k-231200101001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231200101801) 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, 34411661 + ... + 34418378.

It is an arithmetic number, because the mean of its divisors is an integer number (57817233600).

Almost surely, 2^231200101001 is an apocalyptic number.

It is an amenable number.

231200101001 is a deficient number, since it is larger than the sum of its proper divisors (68833399).

231200101001 is an equidigital number, since it uses as much as digits as its factorization.

231200101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68833398.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 231200101001 its reverse (100101002132), we get a palindrome (331301103133).

The spelling of 231200101001 in words is "two hundred thirty-one billion, two hundred million, one hundred one thousand, one".