230681313 has 24 divisors (see below), whose sum is σ = 354007368. Its totient is φ = 144248832.

The previous prime is 230681303. The next prime is 230681351. The reversal of 230681313 is 313186032.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 613089 + 230068224 = 783^2 + 15168^2 .

It is not a de Polignac number, because 230681313 - 2¹² = 230677217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230681303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45481 + ... + 50297.

It is an arithmetic number, because the mean of its divisors is an integer number (14750307).

Almost surely, 2^230681313 is an apocalyptic number.

It is an amenable number.

230681313 is a deficient number, since it is larger than the sum of its proper divisors (123326055).

230681313 is a wasteful number, since it uses less digits than its factorization.

230681313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5153 (or 5150 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 230681313 is about 15188.1965025476. The cubic root of 230681313 is about 613.2969499986.

The spelling of 230681313 in words is "two hundred thirty million, six hundred eighty-one thousand, three hundred thirteen".