231627523606481 has 4 divisors (see below), whose sum is σ = 233048551358832. Its totient is φ = 230206495854132.

The previous prime is 231627523606397. The next prime is 231627523606487. The reversal of 231627523606481 is 184606325726132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 231627523606481 - 2¹⁸ = 231627523344337 is a prime.

It is a super-2 number, since 2×231627523606481² (a number of 30 digits) contains 22 as substring.

It is a pancake number, because a pancake can be divided into 231627523606481 parts by 21523360 straight cuts.

It is a Duffinian number.

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (231627523606487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 710513875931 + ... + 710513876256.

It is an arithmetic number, because the mean of its divisors is an integer number (58262137839708).

Almost surely, 2^{231627523606481} is an apocalyptic number.

It is an amenable number.

231627523606481 is a deficient number, since it is larger than the sum of its proper divisors (1421027752351).

231627523606481 is a wasteful number, since it uses less digits than its factorization.

231627523606481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421027752350.

The product of its (nonzero) digits is 17418240, while the sum is 56.

The spelling of 231627523606481 in words is "two hundred thirty-one trillion, six hundred twenty-seven billion, five hundred twenty-three million, six hundred six thousand, four hundred eighty-one".