231355461 has 8 divisors (see below), whose sum is σ = 313702560. Its totient is φ = 151622672.

The previous prime is 231355451. The next prime is 231355463. The reversal of 231355461 is 164553132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231355461 - 2¹¹ = 231353413 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231355463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653370 + ... + 653723.

It is an arithmetic number, because the mean of its divisors is an integer number (39212820).

Almost surely, 2^231355461 is an apocalyptic number.

It is an amenable number.

231355461 is a deficient number, since it is larger than the sum of its proper divisors (82347099).

231355461 is a wasteful number, since it uses less digits than its factorization.

231355461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307155.

The product of its digits is 10800, while the sum is 30.

The square root of 231355461 is about 15210.3734668153. The cubic root of 231355461 is about 613.8938063258.

The spelling of 231355461 in words is "two hundred thirty-one million, three hundred fifty-five thousand, four hundred sixty-one".