232411732281 has 9 divisors (see below), whose sum is σ = 335707924591. Its totient is φ = 154940190672.

The previous prime is 232411732279. The next prime is 232411732403. The reversal of 232411732281 is 182237114232.

The square root of 232411732281 is 482091.

It is a perfect power (a square), and thus also a powerful number.

232411732281 is a `hidden beast` number, since 2 + 3 + 241 + 17 + 322 + 81 = 666.

232411732281 is digitally balanced in base 2, 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 only one way, i.e., 134076807225 + 98334925056 = 366165^2 + 313584^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 232411732281 - 2¹ = 232411732279 is a prime.

It is a super-2 number, since 2×232411732281² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232411732271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1365925 + ... + 1526621.

Almost surely, 2^232411732281 is an apocalyptic number.

232411732281 is the 482091-st square number.

232411732281 is the 241046-th centered octagonal number.

It is an amenable number.

232411732281 is a deficient number, since it is larger than the sum of its proper divisors (103296192310).

232411732281 is an frugal number, since it uses more digits than its factorization.

232411732281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321400 (or 160700 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

Multiplying 232411732281 by its sum of digits (36), we get a square (8366822362116 = 2892546²).

The spelling of 232411732281 in words is "two hundred thirty-two billion, four hundred eleven million, seven hundred thirty-two thousand, two hundred eighty-one".