231011119 has 2 divisors, whose sum is σ = 231011120. Its totient is φ = 231011118.

The previous prime is 231011107. The next prime is 231011173. The reversal of 231011119 is 911110132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231011119 - 2⁷ = 231010991 is a prime.

It is a super-2 number, since 2×231011119² = 106732274203264322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231011096 and 231011105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231011219) 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, 115505559 + 115505560.

It is an arithmetic number, because the mean of its divisors is an integer number (115505560).

Almost surely, 2^231011119 is an apocalyptic number.

231011119 is a deficient number, since it is larger than the sum of its proper divisors (1).

231011119 is an equidigital number, since it uses as much as digits as its factorization.

231011119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 19.

The square root of 231011119 is about 15199.0499374139. The cubic root of 231011119 is about 613.5890885234.

The spelling of 231011119 in words is "two hundred thirty-one million, eleven thousand, one hundred nineteen".