231041311 has 8 divisors (see below), whose sum is σ = 243359600. Its totient is φ = 218738880.

The previous prime is 231041309. The next prime is 231041351. The reversal of 231041311 is 113140132.

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 231041311 - 2¹ = 231041309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231041351) 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, 36781 + ... + 42601.

It is an arithmetic number, because the mean of its divisors is an integer number (30419950).

Almost surely, 2^231041311 is an apocalyptic number.

231041311 is a deficient number, since it is larger than the sum of its proper divisors (12318289).

231041311 is a wasteful number, since it uses less digits than its factorization.

231041311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7929.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 231041311 is about 15200.0431249388. The cubic root of 231041311 is about 613.6158183692.

Adding to 231041311 its reverse (113140132), we get a palindrome (344181443).

The spelling of 231041311 in words is "two hundred thirty-one million, forty-one thousand, three hundred eleven".