231043215415 has 16 divisors (see below), whose sum is σ = 277791528960. Its totient is φ = 184475037600.

The previous prime is 231043215401. The next prime is 231043215433. The reversal of 231043215415 is 514512340132.

It is not a de Polignac number, because 231043215415 - 2¹¹ = 231043213367 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8391802 + ... + 8419288.

It is an arithmetic number, because the mean of its divisors is an integer number (17361970560).

Almost surely, 2^231043215415 is an apocalyptic number.

231043215415 is a deficient number, since it is larger than the sum of its proper divisors (46748313545).

231043215415 is a wasteful number, since it uses less digits than its factorization.

231043215415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30702.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 231043215415 its reverse (514512340132), we get a palindrome (745555555547).

The spelling of 231043215415 in words is "two hundred thirty-one billion, forty-three million, two hundred fifteen thousand, four hundred fifteen".