301440231 has 16 divisors (see below), whose sum is σ = 465995520. Its totient is φ = 192222360.

The previous prime is 301440229. The next prime is 301440247. The reversal of 301440231 is 132044103.

It is not a de Polignac number, because 301440231 - 2¹ = 301440229 is a prime.

It is a super-2 number, since 2×301440231² = 181732425730666722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (301440131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242085 + ... + 243326.

It is an arithmetic number, because the mean of its divisors is an integer number (29124720).

Almost surely, 2^301440231 is an apocalyptic number.

301440231 is a deficient number, since it is larger than the sum of its proper divisors (164555289).

301440231 is a wasteful number, since it uses less digits than its factorization.

301440231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485443 (or 485437 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 301440231 is about 17362.0341838161. The cubic root of 301440231 is about 670.5025048828.

Adding to 301440231 its reverse (132044103), we get a palindrome (433484334).

The spelling of 301440231 in words is "three hundred one million, four hundred forty thousand, two hundred thirty-one".