68334631 has 2 divisors, whose sum is σ = 68334632. Its totient is φ = 68334630.

The previous prime is 68334613. The next prime is 68334661. The reversal of 68334631 is 13643386.

Together with previous prime (68334613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68334631 - 2⁵ = 68334599 is a prime.

It is a super-2 number, since 2×68334631² = 9339243587812322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68334661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34167315 + 34167316.

It is an arithmetic number, because the mean of its divisors is an integer number (34167316).

Almost surely, 2^68334631 is an apocalyptic number.

68334631 is a deficient number, since it is larger than the sum of its proper divisors (1).

68334631 is an equidigital number, since it uses as much as digits as its factorization.

68334631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 34.

The square root of 68334631 is about 8266.4763351745. The cubic root of 68334631 is about 408.8339484109.

The spelling of 68334631 in words is "sixty-eight million, three hundred thirty-four thousand, six hundred thirty-one".