231240601 has 8 divisors (see below), whose sum is σ = 235918440. Its totient is φ = 226609152.

The previous prime is 231240599. The next prime is 231240671. The reversal of 231240601 is 106042132.

It can be written as a sum of positive squares in 4 ways, for example, as 1263376 + 229977225 = 1124^2 + 15165^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231240601 - 2¹ = 231240599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231240671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1440 + ... + 21553.

It is an arithmetic number, because the mean of its divisors is an integer number (29489805).

Almost surely, 2^231240601 is an apocalyptic number.

It is an amenable number.

231240601 is a deficient number, since it is larger than the sum of its proper divisors (4677839).

231240601 is a wasteful number, since it uses less digits than its factorization.

231240601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23195.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 231240601 is about 15206.5972853890. The cubic root of 231240601 is about 613.7921971477.

Adding to 231240601 its reverse (106042132), we get a palindrome (337282733).

The spelling of 231240601 in words is "two hundred thirty-one million, two hundred forty thousand, six hundred one".