27532143231 has 16 divisors (see below), whose sum is σ = 37219987200. Its totient is φ = 18099633600.

The previous prime is 27532143101. The next prime is 27532143257. The reversal of 27532143231 is 13234123572.

It is not a de Polignac number, because 27532143231 - 2¹³ = 27532135039 is a prime.

It is a super-2 number, since 2×27532143231² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27532143192 and 27532143201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27532143631) 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 15 ways as a sum of consecutive naturals, for example, 1435656 + ... + 1454706.

It is an arithmetic number, because the mean of its divisors is an integer number (2326249200).

Almost surely, 2^27532143231 is an apocalyptic number.

27532143231 is a deficient number, since it is larger than the sum of its proper divisors (9687843969).

27532143231 is a wasteful number, since it uses less digits than its factorization.

27532143231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25726.

The product of its digits is 30240, while the sum is 33.

The spelling of 27532143231 in words is "twenty-seven billion, five hundred thirty-two million, one hundred forty-three thousand, two hundred thirty-one".