231085550 has 12 divisors (see below), whose sum is σ = 429819216. Its totient is φ = 92434200.

The previous prime is 231085549. The next prime is 231085571. The reversal of 231085550 is 55580132.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2310806 + ... + 2310905.

It is an arithmetic number, because the mean of its divisors is an integer number (35818268).

Almost surely, 2^231085550 is an apocalyptic number.

231085550 is a deficient number, since it is larger than the sum of its proper divisors (198733666).

231085550 is a wasteful number, since it uses less digits than its factorization.

231085550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4621723 (or 4621718 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 231085550 is about 15201.4982814195. The cubic root of 231085550 is about 613.6549802225.

The spelling of 231085550 in words is "two hundred thirty-one million, eighty-five thousand, five hundred fifty".