231113246 has 96 divisors (see below), whose sum is σ = 465481728. Its totient is φ = 84015360.

The previous prime is 231113243. The next prime is 231113257. The reversal of 231113246 is 642311132.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231113243) 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 47 ways as a sum of consecutive naturals, for example, 1686890 + ... + 1687026.

It is an arithmetic number, because the mean of its divisors is an integer number (4848768).

Almost surely, 2^231113246 is an apocalyptic number.

231113246 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

231113246 is an abundant number, since it is smaller than the sum of its proper divisors (234368482).

231113246 is a wasteful number, since it uses less digits than its factorization.

231113246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 213 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 231113246 is about 15202.4092169629. The cubic root of 231113246 is about 613.6794951109.

Adding to 231113246 its reverse (642311132), we get a palindrome (873424378).

The spelling of 231113246 in words is "two hundred thirty-one million, one hundred thirteen thousand, two hundred forty-six".