231302421011 has 2 divisors, whose sum is σ = 231302421012. Its totient is φ = 231302421010.

The previous prime is 231302421001. The next prime is 231302421017. The reversal of 231302421011 is 110124203132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231302421011 - 2¹⁰ = 231302419987 is a prime.

It is not a weakly prime, because it can be changed into another prime (231302421017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115651210505 + 115651210506.

It is an arithmetic number, because the mean of its divisors is an integer number (115651210506).

Almost surely, 2^231302421011 is an apocalyptic number.

231302421011 is a deficient number, since it is larger than the sum of its proper divisors (1).

231302421011 is an equidigital number, since it uses as much as digits as its factorization.

231302421011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 231302421011 its reverse (110124203132), we get a palindrome (341426624143).

The spelling of 231302421011 in words is "two hundred thirty-one billion, three hundred two million, four hundred twenty-one thousand, eleven".