231085464447 has 8 divisors (see below), whose sum is σ = 308200008240. Its totient is φ = 154013948480.

The previous prime is 231085464383. The next prime is 231085464469. The reversal of 231085464447 is 744464580132.

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 231085464447 - 2⁶ = 231085464383 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231085464396 and 231085464405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231085460447) 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, 10744422 + ... + 10765907.

It is an arithmetic number, because the mean of its divisors is an integer number (38525001030).

Almost surely, 2^231085464447 is an apocalyptic number.

231085464447 is a deficient number, since it is larger than the sum of its proper divisors (77114543793).

231085464447 is a wasteful number, since it uses less digits than its factorization.

231085464447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21513913.

The product of its (nonzero) digits is 2580480, while the sum is 48.

The spelling of 231085464447 in words is "two hundred thirty-one billion, eighty-five million, four hundred sixty-four thousand, four hundred forty-seven".