231027552 has 360 divisors, whose sum is σ = 844689384. Its totient is φ = 61544448.

The previous prime is 231027547. The next prime is 231027581. The reversal of 231027552 is 255720132.

231027552 is a `hidden beast` number, since 2 + 3 + 102 + 7 + 552 = 666.

It is a super-2 number, since 2×231027552² = 106747459566225408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 2159083 + ... + 2159189.

Almost surely, 2^231027552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231027552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422344692).

231027552 is an abundant number, since it is smaller than the sum of its proper divisors (613661832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231027552 is a wasteful number, since it uses less digits than its factorization.

231027552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 231027552 is about 15199.5905208002. The cubic root of 231027552 is about 613.6036374197.

Adding to 231027552 its reverse (255720132), we get a palindrome (486747684).

The spelling of 231027552 in words is "two hundred thirty-one million, twenty-seven thousand, five hundred fifty-two".