68930331 has 4 divisors (see below), whose sum is σ = 91907112. Its totient is φ = 45953552.

The previous prime is 68930311. The next prime is 68930353. The reversal of 68930331 is 13303986.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68930331 - 2⁵ = 68930299 is a prime.

It is a super-2 number, since 2×68930331² = 9502781063539122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68930292 and 68930301.

It is not an unprimeable number, because it can be changed into a prime (68930311) 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, 11488386 + ... + 11488391.

It is an arithmetic number, because the mean of its divisors is an integer number (22976778).

Almost surely, 2^68930331 is an apocalyptic number.

68930331 is a deficient number, since it is larger than the sum of its proper divisors (22976781).

68930331 is a wasteful number, since it uses less digits than its factorization.

68930331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22976780.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 68930331 is about 8302.4292228239. The cubic root of 68930331 is about 410.0185020403.

The spelling of 68930331 in words is "sixty-eight million, nine hundred thirty thousand, three hundred thirty-one".