231020120183 has 2 divisors, whose sum is σ = 231020120184. Its totient is φ = 231020120182.

The previous prime is 231020120159. The next prime is 231020120207. The reversal of 231020120183 is 381021020132.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (231020120159) and next prime (231020120207).

It is a cyclic number.

It is not a de Polignac number, because 231020120183 - 2¹² = 231020116087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231020120083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115510060091 + 115510060092.

It is an arithmetic number, because the mean of its divisors is an integer number (115510060092).

Almost surely, 2^231020120183 is an apocalyptic number.

231020120183 is a deficient number, since it is larger than the sum of its proper divisors (1).

231020120183 is an equidigital number, since it uses as much as digits as its factorization.

231020120183 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 231020120183 in words is "two hundred thirty-one billion, twenty million, one hundred twenty thousand, one hundred eighty-three".