231034493 has 2 divisors, whose sum is σ = 231034494. Its totient is φ = 231034492.

The previous prime is 231034487. The next prime is 231034523. The reversal of 231034493 is 394430132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122832889 + 108201604 = 11083^2 + 10402^2 .

It is a cyclic number.

It is not a de Polignac number, because 231034493 - 2⁶ = 231034429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231034393) 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, 115517246 + 115517247.

It is an arithmetic number, because the mean of its divisors is an integer number (115517247).

Almost surely, 2^231034493 is an apocalyptic number.

It is an amenable number.

231034493 is a deficient number, since it is larger than the sum of its proper divisors (1).

231034493 is an equidigital number, since it uses as much as digits as its factorization.

231034493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 231034493 is about 15199.8188476047. The cubic root of 231034493 is about 613.6097824013.

The spelling of 231034493 in words is "two hundred thirty-one million, thirty-four thousand, four hundred ninety-three".