231542230455 has 96 divisors (see below), whose sum is σ = 422287145280. Its totient is φ = 121693777920.

The previous prime is 231542230399. The next prime is 231542230457. The reversal of 231542230455 is 554032245132.

231542230455 is a `hidden beast` number, since 2 + 3 + 154 + 22 + 30 + 455 = 666.

It is not a de Polignac number, because 231542230455 - 2²⁴ = 231525453239 is a prime.

It is a super-2 number, since 2×231542230455² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231542230457) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 33842835 + ... + 33849675.

It is an arithmetic number, because the mean of its divisors is an integer number (4398824430).

Almost surely, 2^231542230455 is an apocalyptic number.

231542230455 is a deficient number, since it is larger than the sum of its proper divisors (190744914825).

231542230455 is an equidigital number, since it uses as much as digits as its factorization.

231542230455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7263 (or 7251 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 231542230455 its reverse (554032245132), we get a palindrome (785574475587).

The spelling of 231542230455 in words is "two hundred thirty-one billion, five hundred forty-two million, two hundred thirty thousand, four hundred fifty-five".