231163461 has 6 divisors (see below), whose sum is σ = 333902790. Its totient is φ = 154108968.

The previous prime is 231163459. The next prime is 231163487. The reversal of 231163461 is 164361132.

231163461 is a `hidden beast` number, since 2 + 311 + 6 + 346 + 1 = 666.

231163461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 229522500 + 1640961 = 15150^2 + 1281^2 .

It is not a de Polignac number, because 231163461 - 2¹ = 231163459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231163441) 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, 12842406 + ... + 12842423.

It is an arithmetic number, because the mean of its divisors is an integer number (55650465).

Almost surely, 2^231163461 is an apocalyptic number.

It is an amenable number.

231163461 is a deficient number, since it is larger than the sum of its proper divisors (102739329).

231163461 is a wasteful number, since it uses less digits than its factorization.

231163461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25684835 (or 25684832 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 231163461 is about 15204.0606747013. The cubic root of 231163461 is about 613.7239375142.

The spelling of 231163461 in words is "two hundred thirty-one million, one hundred sixty-three thousand, four hundred sixty-one".