231104653743721 has 8 divisors (see below), whose sum is σ = 234366665298624. Its totient is φ = 227842837089840.

The previous prime is 231104653743709. The next prime is 231104653743731. The reversal of 231104653743721 is 127347356401132.

231104653743721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231104653743721 - 2²¹ = 231104651646569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231104653743731) 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, 46336191 + ... + 51080836.

It is an arithmetic number, because the mean of its divisors is an integer number (29295833162328).

Almost surely, 2^{231104653743721} is an apocalyptic number.

It is an amenable number.

231104653743721 is a deficient number, since it is larger than the sum of its proper divisors (3262011554903).

231104653743721 is an equidigital number, since it uses as much as digits as its factorization.

231104653743721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97450511.

The product of its (nonzero) digits is 2540160, while the sum is 49.

The spelling of 231104653743721 in words is "two hundred thirty-one trillion, one hundred four billion, six hundred fifty-three million, seven hundred forty-three thousand, seven hundred twenty-one".