231036147 has 6 divisors (see below), whose sum is σ = 333718892. Its totient is φ = 154024092.

The previous prime is 231036139. The next prime is 231036151. The reversal of 231036147 is 741630132.

It is not a de Polignac number, because 231036147 - 2³ = 231036139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231036147.

It is not an unprimeable number, because it can be changed into a prime (231036347) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12835333 + ... + 12835350.

Almost surely, 2^231036147 is an apocalyptic number.

231036147 is a deficient number, since it is larger than the sum of its proper divisors (102682745).

231036147 is a wasteful number, since it uses less digits than its factorization.

231036147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25670689 (or 25670686 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 231036147 is about 15199.8732560505. The cubic root of 231036147 is about 613.6112466966.

Adding to 231036147 its reverse (741630132), we get a palindrome (972666279).

The spelling of 231036147 in words is "two hundred thirty-one million, thirty-six thousand, one hundred forty-seven".