70103311 has 4 divisors (see below), whose sum is σ = 70615152. Its totient is φ = 69591472.

The previous prime is 70103263. The next prime is 70103339. The reversal of 70103311 is 11330107.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11330107 = 911 ⋅12437.

It is a cyclic number.

It is not a de Polignac number, because 70103311 - 2²³ = 61714703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70107311) 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 in 3 ways as a sum of consecutive naturals, for example, 255715 + ... + 255988.

It is an arithmetic number, because the mean of its divisors is an integer number (17653788).

Almost surely, 2^70103311 is an apocalyptic number.

70103311 is a deficient number, since it is larger than the sum of its proper divisors (511841).

70103311 is a wasteful number, since it uses less digits than its factorization.

70103311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511840.

The product of its (nonzero) digits is 63, while the sum is 16.

The square root of 70103311 is about 8372.7720021508. The cubic root of 70103311 is about 412.3311798926.

Adding to 70103311 its reverse (11330107), we get a palindrome (81433418).

The spelling of 70103311 in words is "seventy million, one hundred three thousand, three hundred eleven".