231275361 has 16 divisors (see below), whose sum is σ = 327253824. Its totient is φ = 144781824.

The previous prime is 231275351. The next prime is 231275413. The reversal of 231275361 is 163572132.

It is not a de Polignac number, because 231275361 - 2¹¹ = 231273313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231275351) 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, 18346 + ... + 28268.

It is an arithmetic number, because the mean of its divisors is an integer number (20453364).

Almost surely, 2^231275361 is an apocalyptic number.

It is an amenable number.

231275361 is a deficient number, since it is larger than the sum of its proper divisors (95978463).

231275361 is a wasteful number, since it uses less digits than its factorization.

231275361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10400.

The product of its digits is 7560, while the sum is 30.

The square root of 231275361 is about 15207.7401674279. The cubic root of 231275361 is about 613.8229506107.

The spelling of 231275361 in words is "two hundred thirty-one million, two hundred seventy-five thousand, three hundred sixty-one".