231114132 has 72 divisors (see below), whose sum is σ = 602358120. Its totient is φ = 74680320.

The previous prime is 231114127. The next prime is 231114179. The reversal of 231114132 is 231411132.

It can be written as a sum of positive squares in 4 ways, for example, as 5934096 + 225180036 = 2436^2 + 15006^2 .

It is a super-2 number, since 2×231114132² = 106827484020226848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

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 23 ways as a sum of consecutive naturals, for example, 169132 + ... + 170492.

It is an arithmetic number, because the mean of its divisors is an integer number (8366085).

Almost surely, 2^231114132 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 231114132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301179060).

231114132 is an abundant number, since it is smaller than the sum of its proper divisors (371243988).

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

231114132 is a wasteful number, since it uses less digits than its factorization.

231114132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513 (or 1508 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 231114132 is about 15202.4383570531. The cubic root of 231114132 is about 613.6802793142.

Adding to 231114132 its reverse (231411132), we get a palindrome (462525264).

The spelling of 231114132 in words is "two hundred thirty-one million, one hundred fourteen thousand, one hundred thirty-two".