68300831 has 2 divisors, whose sum is σ = 68300832. Its totient is φ = 68300830.

The previous prime is 68300821. The next prime is 68300863. The reversal of 68300831 is 13800386.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68300831 - 2⁶ = 68300767 is a prime.

It is a super-2 number, since 2×68300831² = 9330007030581122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 68300794 and 68300803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68300821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34150415 + 34150416.

It is an arithmetic number, because the mean of its divisors is an integer number (34150416).

Almost surely, 2^68300831 is an apocalyptic number.

68300831 is a deficient number, since it is larger than the sum of its proper divisors (1).

68300831 is an equidigital number, since it uses as much as digits as its factorization.

68300831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 68300831 is about 8264.4316804001. The cubic root of 68300831 is about 408.7665308305.

The spelling of 68300831 in words is "sixty-eight million, three hundred thousand, eight hundred thirty-one".