231085461 has 8 divisors (see below), whose sum is σ = 316441504. Its totient is φ = 149893200.

The previous prime is 231085457. The next prime is 231085469. The reversal of 231085461 is 164580132.

231085461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 231085461 - 2² = 231085457 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 (231085469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1040815 + ... + 1041036.

It is an arithmetic number, because the mean of its divisors is an integer number (39555188).

Almost surely, 2^231085461 is an apocalyptic number.

It is an amenable number.

231085461 is a deficient number, since it is larger than the sum of its proper divisors (85356043).

231085461 is a wasteful number, since it uses less digits than its factorization.

231085461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2081891.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 231085461 is about 15201.4953540762. The cubic root of 231085461 is about 613.6549014417.

The spelling of 231085461 in words is "two hundred thirty-one million, eighty-five thousand, four hundred sixty-one".