70315211 has 2 divisors, whose sum is σ = 70315212. Its totient is φ = 70315210.

The previous prime is 70315187. The next prime is 70315237. The reversal of 70315211 is 11251307.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70315211 - 2²² = 66120907 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70315241) 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, 35157605 + 35157606.

It is an arithmetic number, because the mean of its divisors is an integer number (35157606).

Almost surely, 2^70315211 is an apocalyptic number.

70315211 is a deficient number, since it is larger than the sum of its proper divisors (1).

70315211 is an equidigital number, since it uses as much as digits as its factorization.

70315211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 70315211 is about 8385.4165668737. The cubic root of 70315211 is about 412.7462106509.

Adding to 70315211 its reverse (11251307), we get a palindrome (81566518).

The spelling of 70315211 in words is "seventy million, three hundred fifteen thousand, two hundred eleven".