231082305 has 16 divisors (see below), whose sum is σ = 371672064. Its totient is φ = 122597120.

The previous prime is 231082283. The next prime is 231082349. The reversal of 231082305 is 503280132.

It is not a de Polignac number, because 231082305 - 2¹⁷ = 230951233 is a prime.

It is a super-2 number, since 2×231082305² = 106798063368226050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37464 + ... + 43193.

It is an arithmetic number, because the mean of its divisors is an integer number (23229504).

Almost surely, 2^231082305 is an apocalyptic number.

It is an amenable number.

231082305 is a deficient number, since it is larger than the sum of its proper divisors (140589759).

231082305 is a wasteful number, since it uses less digits than its factorization.

231082305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80856.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 231082305 is about 15201.3915481445. The cubic root of 231082305 is about 613.6521078090.

The spelling of 231082305 in words is "two hundred thirty-one million, eighty-two thousand, three hundred five".