231288581050857 has 48 divisors (see below), whose sum is σ = 383680149765120. Its totient is φ = 132782183301600.

The previous prime is 231288581050847. The next prime is 231288581050859. The reversal of 231288581050857 is 758050185882132.

231288581050857 is a `hidden beast` number, since 2 + 3 + 1 + 28 + 8 + 58 + 1 + 0 + 508 + 57 = 666.

It is not a de Polignac number, because 231288581050857 - 2⁷ = 231288581050729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231288581050794 and 231288581050803.

It is not an unprimeable number, because it can be changed into a prime (231288581050859) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9585132 + ... + 23546802.

It is an arithmetic number, because the mean of its divisors is an integer number (7993336453440).

Almost surely, 2^{231288581050857} is an apocalyptic number.

It is an amenable number.

231288581050857 is a deficient number, since it is larger than the sum of its proper divisors (152391568714263).

231288581050857 is a wasteful number, since it uses less digits than its factorization.

231288581050857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13970514 (or 13970511 counting only the distinct ones).

The product of its (nonzero) digits is 43008000, while the sum is 63.

The spelling of 231288581050857 in words is "two hundred thirty-one trillion, two hundred eighty-eight billion, five hundred eighty-one million, fifty thousand, eight hundred fifty-seven".