68383031 has 2 divisors, whose sum is σ = 68383032. Its totient is φ = 68383030.

The previous prime is 68383009. The next prime is 68383037. The reversal of 68383031 is 13038386.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68383031 is a prime.

It is a super-2 number, since 2×68383031² = 9352477857493922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68383037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34191515 + 34191516.

It is an arithmetic number, because the mean of its divisors is an integer number (34191516).

Almost surely, 2^68383031 is an apocalyptic number.

68383031 is a deficient number, since it is larger than the sum of its proper divisors (1).

68383031 is an equidigital number, since it uses as much as digits as its factorization.

68383031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 68383031 is about 8269.4033037457. The cubic root of 68383031 is about 408.9304484965.

The spelling of 68383031 in words is "sixty-eight million, three hundred eighty-three thousand, thirty-one".