231454443001205 has 16 divisors (see below), whose sum is σ = 294097732271280. Its totient is φ = 174263023583232.

The previous prime is 231454443001169. The next prime is 231454443001217. The reversal of 231454443001205 is 502100344454132.

It can be written as a sum of positive squares in 8 ways, for example, as 804553386961 + 230649889614244 = 896969^2 + 15187162^2 .

It is a cyclic number.

It is not a de Polignac number, because 231454443001205 - 2¹⁶ = 231454442935669 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65110244 + ... + 68572973.

It is an arithmetic number, because the mean of its divisors is an integer number (18381108266955).

Almost surely, 2^{231454443001205} is an apocalyptic number.

It is an amenable number.

231454443001205 is a deficient number, since it is larger than the sum of its proper divisors (62643289270075).

231454443001205 is a wasteful number, since it uses less digits than its factorization.

231454443001205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133703608.

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 231454443001205 its reverse (502100344454132), we get a palindrome (733554787455337).

The spelling of 231454443001205 in words is "two hundred thirty-one trillion, four hundred fifty-four billion, four hundred forty-three million, one thousand, two hundred five".