71417131 has 4 divisors (see below), whose sum is σ = 71583264. Its totient is φ = 71251000.

The previous prime is 71417083. The next prime is 71417147. The reversal of 71417131 is 13171417.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13171417 = 7 ⋅1881631.

It is a cyclic number.

It is not a de Polignac number, because 71417131 - 2¹¹ = 71415083 is a prime.

It is a super-2 number, since 2×71417131² = 10200813200542322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71417096 and 71417105.

It is not an unprimeable number, because it can be changed into a prime (71417161) 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, 82420 + ... + 83281.

It is an arithmetic number, because the mean of its divisors is an integer number (17895816).

Almost surely, 2^71417131 is an apocalyptic number.

71417131 is a deficient number, since it is larger than the sum of its proper divisors (166133).

71417131 is a wasteful number, since it uses less digits than its factorization.

71417131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166132.

The product of its digits is 588, while the sum is 25.

The square root of 71417131 is about 8450.8656953001. The cubic root of 71417131 is about 414.8911138343.

Adding to 71417131 its reverse (13171417), we get a palindrome (84588548).

The spelling of 71417131 in words is "seventy-one million, four hundred seventeen thousand, one hundred thirty-one".