231241214011 has 2 divisors, whose sum is σ = 231241214012. Its totient is φ = 231241214010.

The previous prime is 231241214003. The next prime is 231241214081. The reversal of 231241214011 is 110412142132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231241214011 - 2³ = 231241214003 is a prime.

It is a super-2 number, since 2×231241214011² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (231241214081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115620607005 + 115620607006.

It is an arithmetic number, because the mean of its divisors is an integer number (115620607006).

Almost surely, 2^231241214011 is an apocalyptic number.

231241214011 is a deficient number, since it is larger than the sum of its proper divisors (1).

231241214011 is an equidigital number, since it uses as much as digits as its factorization.

231241214011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 231241214011 its reverse (110412142132), we get a palindrome (341653356143).

The spelling of 231241214011 in words is "two hundred thirty-one billion, two hundred forty-one million, two hundred fourteen thousand, eleven".