231608982136805 has 64 divisors (see below), whose sum is σ = 346962994560000. Its totient is φ = 144504184688640.

The previous prime is 231608982136793. The next prime is 231608982136867. The reversal of 231608982136805 is 508631289806132.

It is not a de Polignac number, because 231608982136805 - 2¹⁴ = 231608982120421 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 146167421 + ... + 147743469.

It is an arithmetic number, because the mean of its divisors is an integer number (5421296790000).

Almost surely, 2^{231608982136805} is an apocalyptic number.

It is an amenable number.

231608982136805 is a deficient number, since it is larger than the sum of its proper divisors (115354012423195).

231608982136805 is a wasteful number, since it uses less digits than its factorization.

231608982136805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580694.

The product of its (nonzero) digits is 29859840, while the sum is 62.

The spelling of 231608982136805 in words is "two hundred thirty-one trillion, six hundred eight billion, nine hundred eighty-two million, one hundred thirty-six thousand, eight hundred five".