231612452 has 12 divisors (see below), whose sum is σ = 416276700. Its totient is φ = 112676256.

The previous prime is 231612419. The next prime is 231612463. The reversal of 231612452 is 254216132.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 104734756 + 126877696 = 10234^2 + 11264^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 782327 + ... + 782622.

It is an arithmetic number, because the mean of its divisors is an integer number (34689725).

Almost surely, 2^231612452 is an apocalyptic number.

It is an amenable number.

231612452 is a deficient number, since it is larger than the sum of its proper divisors (184664248).

231612452 is a wasteful number, since it uses less digits than its factorization.

231612452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564990 (or 1564988 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 231612452 is about 15218.8190080571. The cubic root of 231612452 is about 614.1210278244.

Adding to 231612452 its reverse (254216132), we get a palindrome (485828584).

The spelling of 231612452 in words is "two hundred thirty-one million, six hundred twelve thousand, four hundred fifty-two".