231134201 has 4 divisors (see below), whose sum is σ = 231176592. Its totient is φ = 231091812.

The previous prime is 231134161. The next prime is 231134243. The reversal of 231134201 is 102431132.

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-231134201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231134201.

It is not an unprimeable number, because it can be changed into a prime (231134251) 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, 11555 + ... + 24408.

It is an arithmetic number, because the mean of its divisors is an integer number (57794148).

Almost surely, 2^231134201 is an apocalyptic number.

It is an amenable number.

231134201 is a deficient number, since it is larger than the sum of its proper divisors (42391).

231134201 is an equidigital number, since it uses as much as digits as its factorization.

231134201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42390.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 231134201 is about 15203.0984013128. The cubic root of 231134201 is about 613.6980419566.

Adding to 231134201 its reverse (102431132), we get a palindrome (333565333).

The spelling of 231134201 in words is "two hundred thirty-one million, one hundred thirty-four thousand, two hundred one".