101078213 has 2 divisors, whose sum is σ = 101078214. Its totient is φ = 101078212.

The previous prime is 101078177. The next prime is 101078231. The reversal of 101078213 is 312870101.

It is a happy number.

Together with next prime (101078231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99341089 + 1737124 = 9967^2 + 1318^2 .

It is a cyclic number.

It is not a de Polignac number, because 101078213 - 2⁸ = 101077957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101078293) 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, 50539106 + 50539107.

It is an arithmetic number, because the mean of its divisors is an integer number (50539107).

Almost surely, 2^101078213 is an apocalyptic number.

It is an amenable number.

101078213 is a deficient number, since it is larger than the sum of its proper divisors (1).

101078213 is an equidigital number, since it uses as much as digits as its factorization.

101078213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 101078213 is about 10053.7661102693. The cubic root of 101078213 is about 465.8211305509.

The spelling of 101078213 in words is "one hundred one million, seventy-eight thousand, two hundred thirteen".