71214311 has 8 divisors (see below), whose sum is σ = 81876480. Its totient is φ = 60674328.

The previous prime is 71214301. The next prime is 71214331. The reversal of 71214311 is 11341217.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71214311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71214301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29291 + ... + 31628.

It is an arithmetic number, because the mean of its divisors is an integer number (10234560).

Almost surely, 2^71214311 is an apocalyptic number.

71214311 is a deficient number, since it is larger than the sum of its proper divisors (10662169).

71214311 is a wasteful number, since it uses less digits than its factorization.

71214311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61093.

The product of its digits is 168, while the sum is 20.

The square root of 71214311 is about 8438.8572093619. The cubic root of 71214311 is about 414.4979868682.

Adding to 71214311 its reverse (11341217), we get a palindrome (82555528).

The spelling of 71214311 in words is "seventy-one million, two hundred fourteen thousand, three hundred eleven".