181230956530 has 32 divisors (see below), whose sum is σ = 357937728624. Its totient is φ = 65653476096.

The previous prime is 181230956527. The next prime is 181230956549. The reversal of 181230956530 is 35659032181.

181230956530 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 78326657161 + 102904299369 = 279869^2 + 320787^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13144849 + ... + 13158628.

Almost surely, 2^181230956530 is an apocalyptic number.

181230956530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

181230956530 is a deficient number, since it is larger than the sum of its proper divisors (176706772094).

181230956530 is a wasteful number, since it uses less digits than its factorization.

181230956530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26303550.

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 181230956530 in words is "one hundred eighty-one billion, two hundred thirty million, nine hundred fifty-six thousand, five hundred thirty".