231199853533 has 16 divisors (see below), whose sum is σ = 253991738880. Its totient is φ = 208708138800.

The previous prime is 231199853519. The next prime is 231199853543. The reversal of 231199853533 is 335358991132.

It is a cyclic number.

It is not a de Polignac number, because 231199853533 - 2¹³ = 231199845341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231199853543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 905466 + ... + 1132372.

It is an arithmetic number, because the mean of its divisors is an integer number (15874483680).

Almost surely, 2^231199853533 is an apocalyptic number.

It is an amenable number.

231199853533 is a deficient number, since it is larger than the sum of its proper divisors (22791885347).

231199853533 is a wasteful number, since it uses less digits than its factorization.

231199853533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227568.

The product of its digits is 2624400, while the sum is 52.

The spelling of 231199853533 in words is "two hundred thirty-one billion, one hundred ninety-nine million, eight hundred fifty-three thousand, five hundred thirty-three".