231321270627 has 24 divisors (see below), whose sum is σ = 349284278304. Its totient is φ = 147244314624.

The previous prime is 231321270553. The next prime is 231321270641. The reversal of 231321270627 is 726072123132.

231321270627 is a `hidden beast` number, since 2 + 3 + 1 + 3 + 2 + 1 + 27 + 0 + 627 = 666.

It is not a de Polignac number, because 231321270627 - 2⁸ = 231321270371 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231321270591 and 231321270600.

It is not an unprimeable number, because it can be changed into a prime (231321270227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 887838 + ... + 1118435.

It is an arithmetic number, because the mean of its divisors is an integer number (14553511596).

Almost surely, 2^231321270627 is an apocalyptic number.

231321270627 is a deficient number, since it is larger than the sum of its proper divisors (117963007677).

231321270627 is a wasteful number, since it uses less digits than its factorization.

231321270627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006859 (or 2006856 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

Adding to 231321270627 its reverse (726072123132), we get a palindrome (957393393759).

The spelling of 231321270627 in words is "two hundred thirty-one billion, three hundred twenty-one million, two hundred seventy thousand, six hundred twenty-seven".