71134031 has 8 divisors (see below), whose sum is σ = 71884944. Its totient is φ = 70387200.

The previous prime is 71134027. The next prime is 71134033. The reversal of 71134031 is 13043117.

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 not a de Polignac number, because 71134031 - 2² = 71134027 is a prime.

It is a super-2 number, since 2×71134031² = 10120100732617922, 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 = 71133994 and 71134012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71134033) 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, 43631 + ... + 45231.

It is an arithmetic number, because the mean of its divisors is an integer number (8985618).

Almost surely, 2^71134031 is an apocalyptic number.

71134031 is a deficient number, since it is larger than the sum of its proper divisors (750913).

71134031 is a wasteful number, since it uses less digits than its factorization.

71134031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 71134031 is about 8434.0992998660. The cubic root of 71134031 is about 414.3421735691.

Adding to 71134031 its reverse (13043117), we get a palindrome (84177148).

The spelling of 71134031 in words is "seventy-one million, one hundred thirty-four thousand, thirty-one".