231246264 has 32 divisors (see below), whose sum is σ = 608544000. Its totient is φ = 73024992.

The previous prime is 231246229. The next prime is 231246269. The reversal of 231246264 is 462642132.

It is a super-2 number, since 2×231246264² = 106949669227915392, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231246269) 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 7 ways as a sum of consecutive naturals, for example, 253104 + ... + 254015.

It is an arithmetic number, because the mean of its divisors is an integer number (19017000).

Almost surely, 2^231246264 is an apocalyptic number.

231246264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

231246264 is an abundant number, since it is smaller than the sum of its proper divisors (377297736).

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

231246264 is a wasteful number, since it uses less digits than its factorization.

231246264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507147 (or 507143 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

The square root of 231246264 is about 15206.7834863261. The cubic root of 231246264 is about 613.7972076243.

Adding to 231246264 its reverse (462642132), we get a palindrome (693888396).

The spelling of 231246264 in words is "two hundred thirty-one million, two hundred forty-six thousand, two hundred sixty-four".