231200213001 has 4 divisors (see below), whose sum is σ = 308266950672. Its totient is φ = 154133475332.

The previous prime is 231200212963. The next prime is 231200213009. The reversal of 231200213001 is 100312002132.

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 231200213001 - 2⁶ = 231200212937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231200213009) 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 in 3 ways as a sum of consecutive naturals, for example, 38533368831 + ... + 38533368836.

It is an arithmetic number, because the mean of its divisors is an integer number (77066737668).

Almost surely, 2^231200213001 is an apocalyptic number.

It is an amenable number.

231200213001 is a deficient number, since it is larger than the sum of its proper divisors (77066737671).

231200213001 is an equidigital number, since it uses as much as digits as its factorization.

231200213001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77066737670.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 231200213001 its reverse (100312002132), we get a palindrome (331512215133).

The spelling of 231200213001 in words is "two hundred thirty-one billion, two hundred million, two hundred thirteen thousand, one".