231134552 has 32 divisors (see below), whose sum is σ = 477213120. Its totient is φ = 104075040.

The previous prime is 231134549. The next prime is 231134557. The reversal of 231134552 is 255431132.

It is a happy number.

It is a super-2 number, since 2×231134552² = 106846362256481408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231134557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2858 + ... + 21689.

It is an arithmetic number, because the mean of its divisors is an integer number (14912910).

Almost surely, 2^231134552 is an apocalyptic number.

231134552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231134552 is an abundant number, since it is smaller than the sum of its proper divisors (246078568).

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

231134552 is a wasteful number, since it uses less digits than its factorization.

231134552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24671 (or 24667 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 231134552 is about 15203.1099450080. The cubic root of 231134552 is about 613.6983526101.

Adding to 231134552 its reverse (255431132), we get a palindrome (486565684).

It can be divided in two parts, 2311 and 34552, that added together give a palindrome (36863).

The spelling of 231134552 in words is "two hundred thirty-one million, one hundred thirty-four thousand, five hundred fifty-two".