231056705 has 16 divisors (see below), whose sum is σ = 304055424. Its totient is φ = 167162880.

The previous prime is 231056681. The next prime is 231056713. The reversal of 231056705 is 507650132.

It is not a de Polignac number, because 231056705 - 2⁶ = 231056641 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 269 + ... + 21498.

It is an arithmetic number, because the mean of its divisors is an integer number (19003464).

Almost surely, 2^231056705 is an apocalyptic number.

It is an amenable number.

231056705 is a deficient number, since it is larger than the sum of its proper divisors (72998719).

231056705 is a wasteful number, since it uses less digits than its factorization.

231056705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21976.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 231056705 is about 15200.5494966465. The cubic root of 231056705 is about 613.6294462237.

The spelling of 231056705 in words is "two hundred thirty-one million, fifty-six thousand, seven hundred five".