231126152 has 16 divisors (see below), whose sum is σ = 458853660. Its totient is φ = 108765184.

The previous prime is 231126151. The next prime is 231126167. The reversal of 231126152 is 251621132.

It can be written as a sum of positive squares in 2 ways, for example, as 211818916 + 19307236 = 14554^2 + 4394^2 .

It is not an unprimeable number, because it can be changed into a prime (231126151) by changing a digit.

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, 849593 + ... + 849864.

Almost surely, 2^231126152 is an apocalyptic number.

It is an amenable number.

231126152 is a deficient number, since it is larger than the sum of its proper divisors (227727508).

231126152 is a wasteful number, since it uses less digits than its factorization.

231126152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699480 (or 1699476 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 231126152 is about 15202.8336832316. The cubic root of 231126152 is about 613.6909180825.

Adding to 231126152 its reverse (251621132), we get a palindrome (482747284).

The spelling of 231126152 in words is "two hundred thirty-one million, one hundred twenty-six thousand, one hundred fifty-two".