231107201 has 32 divisors (see below), whose sum is σ = 268240896. Its totient is φ = 197568000.

The previous prime is 231107171. The next prime is 231107207. The reversal of 231107201 is 102701132.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231107201 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 231107201.

It is not an unprimeable number, because it can be changed into a prime (231107207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1173035 + ... + 1173231.

It is an arithmetic number, because the mean of its divisors is an integer number (8382528).

Almost surely, 2^231107201 is an apocalyptic number.

It is an amenable number.

231107201 is a deficient number, since it is larger than the sum of its proper divisors (37133695).

231107201 is a wasteful number, since it uses less digits than its factorization.

231107201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 231107201 is about 15202.2103984914. The cubic root of 231107201 is about 613.6741445955.

Adding to 231107201 its reverse (102701132), we get a palindrome (333808333).

The spelling of 231107201 in words is "two hundred thirty-one million, one hundred seven thousand, two hundred one".