7131130 has 16 divisors (see below), whose sum is σ = 13149864. Its totient is φ = 2782720.

The previous prime is 7131119. The next prime is 7131133. The reversal of 7131130 is 311317.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2792241 + 4338889 = 1671^2 + 2083^2 .

It is not an unprimeable number, because it can be changed into a prime (7131133) 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, 8287 + ... + 9106.

Almost surely, 2^7131130 is an apocalyptic number.

7131130 is a deficient number, since it is larger than the sum of its proper divisors (6018734).

7131130 is a wasteful number, since it uses less digits than its factorization.

7131130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17441.

The product of its (nonzero) digits is 63, while the sum is 16.

The square root of 7131130 is about 2670.4175703436. The cubic root of 7131130 is about 192.4802251008.

Adding to 7131130 its reverse (311317), we get a palindrome (7442447).

The spelling of 7131130 in words is "seven million, one hundred thirty-one thousand, one hundred thirty".