71631341 has 4 divisors (see below), whose sum is σ = 71818752. Its totient is φ = 71443932.

The previous prime is 71631317. The next prime is 71631347. The reversal of 71631341 is 14313617.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14313617 = 29 ⋅493573.

It is a cyclic number.

It is not a de Polignac number, because 71631341 - 2⁶ = 71631277 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 71631341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71631347) 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 3 ways as a sum of consecutive naturals, for example, 93131 + ... + 93896.

It is an arithmetic number, because the mean of its divisors is an integer number (17954688).

Almost surely, 2^71631341 is an apocalyptic number.

It is an amenable number.

71631341 is a deficient number, since it is larger than the sum of its proper divisors (187411).

71631341 is a wasteful number, since it uses less digits than its factorization.

71631341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187410.

The product of its digits is 1512, while the sum is 26.

The square root of 71631341 is about 8463.5300554792. The cubic root of 71631341 is about 415.3055107508.

Adding to 71631341 its reverse (14313617), we get a palindrome (85944958).

The spelling of 71631341 in words is "seventy-one million, six hundred thirty-one thousand, three hundred forty-one".