71130319 has 8 divisors (see below), whose sum is σ = 80633840. Its totient is φ = 62202816.

The previous prime is 71130307. The next prime is 71130347. The reversal of 71130319 is 91303117.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 71130319 - 2²³ = 62741711 is a prime.

It is a super-2 number, since 2×71130319² = 10119044562083522, 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 = 71130293 and 71130302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71130919) 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, 143742 + ... + 144235.

It is an arithmetic number, because the mean of its divisors is an integer number (10079230).

Almost surely, 2^71130319 is an apocalyptic number.

71130319 is a deficient number, since it is larger than the sum of its proper divisors (9503521).

71130319 is a wasteful number, since it uses less digits than its factorization.

71130319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288009.

The product of its (nonzero) digits is 567, while the sum is 25.

The square root of 71130319 is about 8433.8792379308. The cubic root of 71130319 is about 414.3349662129.

The spelling of 71130319 in words is "seventy-one million, one hundred thirty thousand, three hundred nineteen".