231242411 has 2 divisors, whose sum is σ = 231242412. Its totient is φ = 231242410.

The previous prime is 231242387. The next prime is 231242447. The reversal of 231242411 is 114242132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231242411 - 2²⁶ = 164133547 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (231242461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115621205 + 115621206.

It is an arithmetic number, because the mean of its divisors is an integer number (115621206).

Almost surely, 2^231242411 is an apocalyptic number.

231242411 is a deficient number, since it is larger than the sum of its proper divisors (1).

231242411 is an equidigital number, since it uses as much as digits as its factorization.

231242411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384, while the sum is 20.

The square root of 231242411 is about 15206.6567989154. The cubic root of 231242411 is about 613.7937985980.

Adding to 231242411 its reverse (114242132), we get a palindrome (345484543).

The spelling of 231242411 in words is "two hundred thirty-one million, two hundred forty-two thousand, four hundred eleven".