70284231271 has 4 divisors (see below), whose sum is σ = 70286772352. Its totient is φ = 70281690192.

The previous prime is 70284231257. The next prime is 70284231313. The reversal of 70284231271 is 17213248207.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70284231271 - 2⁵ = 70284231239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70284231271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70284231071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1228590 + ... + 1284523.

It is an arithmetic number, because the mean of its divisors is an integer number (17571693088).

Almost surely, 2^70284231271 is an apocalyptic number.

70284231271 is a deficient number, since it is larger than the sum of its proper divisors (2541081).

70284231271 is a wasteful number, since it uses less digits than its factorization.

70284231271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541080.

The product of its (nonzero) digits is 37632, while the sum is 37.

Adding to 70284231271 its reverse (17213248207), we get a palindrome (87497479478).

The spelling of 70284231271 in words is "seventy billion, two hundred eighty-four million, two hundred thirty-one thousand, two hundred seventy-one".