230106681 has 12 divisors (see below), whose sum is σ = 379858752. Its totient is φ = 131489496.

The previous prime is 230106649. The next prime is 230106691. The reversal of 230106681 is 186601032.

It is not a de Polignac number, because 230106681 - 2⁵ = 230106649 is a prime.

It is a super-2 number, since 2×230106681² = 105898169281671522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (230106641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1826181 + ... + 1826306.

It is an arithmetic number, because the mean of its divisors is an integer number (31654896).

Almost surely, 2^230106681 is an apocalyptic number.

230106681 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

230106681 is a deficient number, since it is larger than the sum of its proper divisors (149752071).

230106681 is a wasteful number, since it uses less digits than its factorization.

230106681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3652500 (or 3652497 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 230106681 is about 15169.2676487693. The cubic root of 230106681 is about 612.7872813673.

The spelling of 230106681 in words is "two hundred thirty million, one hundred six thousand, six hundred eighty-one".