68180313 has 8 divisors (see below), whose sum is σ = 92622528. Its totient is φ = 44595824.

The previous prime is 68180237. The next prime is 68180323. The reversal of 68180313 is 31308186.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68180313 - 2¹⁰ = 68179289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68180323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214245 + ... + 214562.

It is an arithmetic number, because the mean of its divisors is an integer number (11577816).

Almost surely, 2^68180313 is an apocalyptic number.

It is an amenable number.

68180313 is a deficient number, since it is larger than the sum of its proper divisors (24442215).

68180313 is a wasteful number, since it uses less digits than its factorization.

68180313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428863.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 68180313 is about 8257.1370946594. The cubic root of 68180313 is about 408.5259640710.

Adding to 68180313 its reverse (31308186), we get a palindrome (99488499).

The spelling of 68180313 in words is "sixty-eight million, one hundred eighty thousand, three hundred thirteen".