231056421215 has 16 divisors (see below), whose sum is σ = 281126592000. Its totient is φ = 182273640192.

The previous prime is 231056421209. The next prime is 231056421269. The reversal of 231056421215 is 512124650132.

231056421215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 231056421215 - 2⁶ = 231056421151 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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1685681 + ... + 1817589.

It is an arithmetic number, because the mean of its divisors is an integer number (17570412000).

Almost surely, 2^231056421215 is an apocalyptic number.

231056421215 is a deficient number, since it is larger than the sum of its proper divisors (50070170785).

231056421215 is a wasteful number, since it uses less digits than its factorization.

231056421215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136786.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 231056421215 in words is "two hundred thirty-one billion, fifty-six million, four hundred twenty-one thousand, two hundred fifteen".