71143101 has 24 divisors (see below), whose sum is σ = 105980160. Its totient is φ = 45963936.

The previous prime is 71143073. The next prime is 71143139. The reversal of 71143101 is 10134117.

It is not a de Polignac number, because 71143101 - 2⁵ = 71143069 is a prime.

It is a super-2 number, since 2×71143101² = 10122681639792402, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71143151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45336 + ... + 46878.

It is an arithmetic number, because the mean of its divisors is an integer number (4415840).

Almost surely, 2^71143101 is an apocalyptic number.

It is an amenable number.

71143101 is a deficient number, since it is larger than the sum of its proper divisors (34837059).

71143101 is a wasteful number, since it uses less digits than its factorization.

71143101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1705 (or 1702 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 71143101 is about 8434.6369809257. The cubic root of 71143101 is about 414.3597831612.

Adding to 71143101 its reverse (10134117), we get a palindrome (81277218).

The spelling of 71143101 in words is "seventy-one million, one hundred forty-three thousand, one hundred one".