231241432201 has 4 divisors (see below), whose sum is σ = 249029234692. Its totient is φ = 213453629712.

The previous prime is 231241432189. The next prime is 231241432217. The reversal of 231241432201 is 102234142132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25419519225 + 205821912976 = 159435^2 + 453676^2 .

It is a cyclic number.

It is not a de Polignac number, because 231241432201 - 2⁹ = 231241431689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231241432241) 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, 8893901226 + ... + 8893901251.

It is an arithmetic number, because the mean of its divisors is an integer number (62257308673).

Almost surely, 2^231241432201 is an apocalyptic number.

It is an amenable number.

231241432201 is a deficient number, since it is larger than the sum of its proper divisors (17787802491).

231241432201 is a wasteful number, since it uses less digits than its factorization.

231241432201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17787802490.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 231241432201 its reverse (102234142132), we get a palindrome (333475574333).

The spelling of 231241432201 in words is "two hundred thirty-one billion, two hundred forty-one million, four hundred thirty-two thousand, two hundred one".