68941031 has 2 divisors, whose sum is σ = 68941032. Its totient is φ = 68941030.

The previous prime is 68941007. The next prime is 68941043. The reversal of 68941031 is 13014986.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68941031 - 2¹⁰ = 68940007 is a prime.

It is a super-2 number, since 2×68941031² = 9505731510685922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68941331) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34470515 + 34470516.

It is an arithmetic number, because the mean of its divisors is an integer number (34470516).

Almost surely, 2^68941031 is an apocalyptic number.

68941031 is a deficient number, since it is larger than the sum of its proper divisors (1).

68941031 is an equidigital number, since it uses as much as digits as its factorization.

68941031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 68941031 is about 8303.0735875337. The cubic root of 68941031 is about 410.0397165571.

The spelling of 68941031 in words is "sixty-eight million, nine hundred forty-one thousand, thirty-one".