4231161585 has 48 divisors (see below), whose sum is σ = 8822885760. Its totient is φ = 1832440320.

The previous prime is 4231161527. The next prime is 4231161587. The reversal of 4231161585 is 5851611324.

4231161585 is a `hidden beast` number, since 4 + 2 + 3 + 11 + 61 + 585 = 666.

4231161585 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4231161585 - 2⁶ = 4231161521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4231161587) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 347496 + ... + 359465.

It is an arithmetic number, because the mean of its divisors is an integer number (183810120).

Almost surely, 2^4231161585 is an apocalyptic number.

4231161585 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4231161585 is an abundant number, since it is smaller than the sum of its proper divisors (4591724175).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4231161585 is a wasteful number, since it uses less digits than its factorization.

4231161585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706998 (or 706995 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 4231161585 is about 65047.3795398400. The cubic root of 4231161585 is about 1617.4090556889.

The spelling of 4231161585 in words is "four billion, two hundred thirty-one million, one hundred sixty-one thousand, five hundred eighty-five".