71031190 has 16 divisors (see below), whose sum is σ = 129608928. Its totient is φ = 28022976.

The previous prime is 71031161. The next prime is 71031193. The reversal of 71031190 is 9113017.

It is a super-2 number, since 2×71031190² = 10090859905632200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71031193) 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, 47922 + ... + 49381.

It is an arithmetic number, because the mean of its divisors is an integer number (8100558).

Almost surely, 2^71031190 is an apocalyptic number.

71031190 is a deficient number, since it is larger than the sum of its proper divisors (58577738).

71031190 is a wasteful number, since it uses less digits than its factorization.

71031190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97383.

The product of its (nonzero) digits is 189, while the sum is 22.

The square root of 71031190 is about 8428.0003559563. Note that the first 3 decimals coincide. The cubic root of 71031190 is about 414.1424008569.

The spelling of 71031190 in words is "seventy-one million, thirty-one thousand, one hundred ninety".