231055447 has 16 divisors (see below), whose sum is σ = 290050560. Its totient is φ = 179464032.

The previous prime is 231055423. The next prime is 231055477. The reversal of 231055447 is 744550132.

231055447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 231055447 - 2¹¹ = 231053399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231055477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34708 + ... + 40825.

It is an arithmetic number, because the mean of its divisors is an integer number (18128160).

Almost surely, 2^231055447 is an apocalyptic number.

231055447 is a deficient number, since it is larger than the sum of its proper divisors (58995113).

231055447 is a wasteful number, since it uses less digits than its factorization.

231055447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75582.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 231055447 is about 15200.5081165072. The cubic root of 231055447 is about 613.6283325761.

The spelling of 231055447 in words is "two hundred thirty-one million, fifty-five thousand, four hundred forty-seven".