231240411 has 12 divisors (see below), whose sum is σ = 339675960. Its totient is φ = 151547040.

The previous prime is 231240389. The next prime is 231240419. The reversal of 231240411 is 114042132.

231240411 is a `hidden beast` number, since 231 + 24 + 0 + 411 = 666.

It is not a de Polignac number, because 231240411 - 2¹⁰ = 231239387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231240419) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 217210 + ... + 218271.

It is an arithmetic number, because the mean of its divisors is an integer number (28306330).

Almost surely, 2^231240411 is an apocalyptic number.

231240411 is a deficient number, since it is larger than the sum of its proper divisors (108435549).

231240411 is a wasteful number, since it uses less digits than its factorization.

231240411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435546 (or 435543 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 231240411 is about 15206.5910380992. The cubic root of 231240411 is about 613.7920290392.

Adding to 231240411 its reverse (114042132), we get a palindrome (345282543).

The spelling of 231240411 in words is "two hundred thirty-one million, two hundred forty thousand, four hundred eleven".