230861013 has 4 divisors (see below), whose sum is σ = 307814688. Its totient is φ = 153907340.

The previous prime is 230861011. The next prime is 230861063. The reversal of 230861013 is 310168032.

230861013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 230861013 - 2¹ = 230861011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230861011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38476833 + ... + 38476838.

It is an arithmetic number, because the mean of its divisors is an integer number (76953672).

Almost surely, 2^230861013 is an apocalyptic number.

It is an amenable number.

230861013 is a deficient number, since it is larger than the sum of its proper divisors (76953675).

230861013 is an equidigital number, since it uses as much as digits as its factorization.

230861013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76953674.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 230861013 is about 15194.1111289868. Note that the first 4 decimals coincide. The cubic root of 230861013 is about 613.4561607806.

The spelling of 230861013 in words is "two hundred thirty million, eight hundred sixty-one thousand, thirteen".