231134011 has 2 divisors, whose sum is σ = 231134012. Its totient is φ = 231134010.

The previous prime is 231134009. The next prime is 231134027. The reversal of 231134011 is 110431132.

It is an a-pointer prime, because the next prime (231134027) can be obtained adding 231134011 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231134011 - 2¹ = 231134009 is a prime.

It is a super-3 number, since 3×231134011³ (a number of 26 digits) contains 333 as substring.

Together with 231134009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (231135011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115567005 + 115567006.

It is an arithmetic number, because the mean of its divisors is an integer number (115567006).

Almost surely, 2^231134011 is an apocalyptic number.

231134011 is a deficient number, since it is larger than the sum of its proper divisors (1).

231134011 is an equidigital number, since it uses as much as digits as its factorization.

231134011 is an odious number, because the sum of its binary digits is odd.

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

The square root of 231134011 is about 15203.0921525853. The cubic root of 231134011 is about 613.6978737965.

Adding to 231134011 its reverse (110431132), we get a palindrome (341565143).

It can be divided in two parts, 23 and 1134011, that multiplied together give a triangular number (26082253 = T₇₂₂₂).

The spelling of 231134011 in words is "two hundred thirty-one million, one hundred thirty-four thousand, eleven".