231153070868 has 24 divisors (see below), whose sum is σ = 431086586112. Its totient is φ = 108199307744.

The previous prime is 231153070867. The next prime is 231153070901. The reversal of 231153070868 is 868070351132.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231153070867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26724755 + ... + 26733402.

It is an arithmetic number, because the mean of its divisors is an integer number (17961941088).

Almost surely, 2^231153070868 is an apocalyptic number.

It is an amenable number.

231153070868 is a deficient number, since it is larger than the sum of its proper divisors (199933515244).

231153070868 is a wasteful number, since it uses less digits than its factorization.

231153070868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53458231 (or 53458229 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 231153070868 in words is "two hundred thirty-one billion, one hundred fifty-three million, seventy thousand, eight hundred sixty-eight".