231553012224033 has 32 divisors (see below), whose sum is σ = 343152915371520. Its totient is φ = 154318542526080.

The previous prime is 231553012224019. The next prime is 231553012224043. The reversal of 231553012224033 is 330422210355132.

231553012224033 is a `hidden beast` number, since 2 + 3 + 1 + 553 + 0 + 12 + 22 + 40 + 33 = 666.

It is not a de Polignac number, because 231553012224033 - 2²² = 231553008029729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231553012224043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2128953373 + ... + 2129062133.

It is an arithmetic number, because the mean of its divisors is an integer number (10723528605360).

Almost surely, 2^{231553012224033} is an apocalyptic number.

It is an amenable number.

231553012224033 is a deficient number, since it is larger than the sum of its proper divisors (111599903147487).

231553012224033 is a wasteful number, since it uses less digits than its factorization.

231553012224033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133654 (or 133648 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 231553012224033 its reverse (330422210355132), we get a palindrome (561975222579165).

The spelling of 231553012224033 in words is "two hundred thirty-one trillion, five hundred fifty-three billion, twelve million, two hundred twenty-four thousand, thirty-three".