231551423054033 has 4 divisors (see below), whose sum is σ = 231551470769520. Its totient is φ = 231551375338548.

The previous prime is 231551423053943. The next prime is 231551423054047. The reversal of 231551423054033 is 330450324155132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 231551423054033 - 2¹⁰ = 231551423053009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231551423044033) 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 3 ways as a sum of consecutive naturals, for example, 15633623 + ... + 26599116.

It is an arithmetic number, because the mean of its divisors is an integer number (57887867692380).

Almost surely, 2^{231551423054033} is an apocalyptic number.

It is an amenable number.

231551423054033 is a deficient number, since it is larger than the sum of its proper divisors (47715487).

231551423054033 is an equidigital number, since it uses as much as digits as its factorization.

231551423054033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47715486.

The product of its (nonzero) digits is 648000, while the sum is 41.

The spelling of 231551423054033 in words is "two hundred thirty-one trillion, five hundred fifty-one billion, four hundred twenty-three million, fifty-four thousand, thirty-three".