71341231 has 16 divisors (see below), whose sum is σ = 81877824. Its totient is φ = 61576704.

The previous prime is 71341229. The next prime is 71341241. The reversal of 71341231 is 13214317.

It is a cyclic number.

It is not a de Polignac number, because 71341231 - 2¹ = 71341229 is a prime.

It is a super-2 number, since 2×71341231² = 10179142481190722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71341211) 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 in 15 ways as a sum of consecutive naturals, for example, 35941 + ... + 37873.

It is an arithmetic number, because the mean of its divisors is an integer number (5117364).

Almost surely, 2^71341231 is an apocalyptic number.

71341231 is a deficient number, since it is larger than the sum of its proper divisors (10536593).

71341231 is a wasteful number, since it uses less digits than its factorization.

71341231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130.

The product of its digits is 504, while the sum is 22.

The square root of 71341231 is about 8446.3738373340. The cubic root of 71341231 is about 414.7440837622.

Adding to 71341231 its reverse (13214317), we get a palindrome (84555548).

The spelling of 71341231 in words is "seventy-one million, three hundred forty-one thousand, two hundred thirty-one".