231085455 has 8 divisors (see below), whose sum is σ = 369736752. Its totient is φ = 123245568.

The previous prime is 231085453. The next prime is 231085457. The reversal of 231085455 is 554580132.

It is an interprime number because it is at equal distance from previous prime (231085453) and next prime (231085457).

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

It is not a de Polignac number, because 231085455 - 2¹ = 231085453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231085453) 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, 7702834 + ... + 7702863.

It is an arithmetic number, because the mean of its divisors is an integer number (46217094).

Almost surely, 2^231085455 is an apocalyptic number.

231085455 is a deficient number, since it is larger than the sum of its proper divisors (138651297).

231085455 is a wasteful number, since it uses less digits than its factorization.

231085455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15405705.

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 231085455 is about 15201.4951567272. The cubic root of 231085455 is about 613.6548961307.

It can be divided in two parts, 231085 and 455, that added together give a triangular number (231540 = T₆₈₀).

The spelling of 231085455 in words is "two hundred thirty-one million, eighty-five thousand, four hundred fifty-five".