71315230 has 16 divisors (see below), whose sum is σ = 146705760. Its totient is φ = 24450912.

The previous prime is 71315219. The next prime is 71315281. The reversal of 71315230 is 3251317.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 509325 + ... + 509464.

It is an arithmetic number, because the mean of its divisors is an integer number (9169110).

Almost surely, 2^71315230 is an apocalyptic number.

71315230 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

71315230 is an abundant number, since it is smaller than the sum of its proper divisors (75390530).

71315230 is a wasteful number, since it uses less digits than its factorization.

71315230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018803.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 71315230 is about 8444.8345158446. The cubic root of 71315230 is about 414.6936918120.

Adding to 71315230 its reverse (3251317), we get a palindrome (74566547).

The spelling of 71315230 in words is "seventy-one million, three hundred fifteen thousand, two hundred thirty".