231246452 has 12 divisors (see below), whose sum is σ = 404818596. Its totient is φ = 115584000.

The previous prime is 231246409. The next prime is 231246467. The reversal of 231246452 is 254642132.

It can be written as a sum of positive squares in 2 ways, for example, as 73342096 + 157904356 = 8564^2 + 12566^2 .

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 3 ways as a sum of consecutive naturals, for example, 6452 + ... + 22452.

It is an arithmetic number, because the mean of its divisors is an integer number (33734883).

Almost surely, 2^231246452 is an apocalyptic number.

It is an amenable number.

231246452 is a deficient number, since it is larger than the sum of its proper divisors (173572144).

231246452 is a wasteful number, since it uses less digits than its factorization.

231246452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19618 (or 19616 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 231246452 is about 15206.7896677767. The cubic root of 231246452 is about 613.7973739604.

Adding to 231246452 its reverse (254642132), we get a palindrome (485888584).

The spelling of 231246452 in words is "two hundred thirty-one million, two hundred forty-six thousand, four hundred fifty-two".