67010231 has 2 divisors, whose sum is σ = 67010232. Its totient is φ = 67010230.

The previous prime is 67010227. The next prime is 67010233. The reversal of 67010231 is 13201076.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67010231 - 2² = 67010227 is a prime.

It is a super-2 number, since 2×67010231² = 8980742117346722, which contains 22 as substring.

Together with 67010233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67010233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33505115 + 33505116.

It is an arithmetic number, because the mean of its divisors is an integer number (33505116).

Almost surely, 2^67010231 is an apocalyptic number.

67010231 is a deficient number, since it is larger than the sum of its proper divisors (1).

67010231 is an equidigital number, since it uses as much as digits as its factorization.

67010231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 67010231 is about 8185.9777058089. The cubic root of 67010231 is about 406.1754824743.

It can be divided in two parts, 670 and 10231, that added together give a palindrome (10901).

The spelling of 67010231 in words is "sixty-seven million, ten thousand, two hundred thirty-one".