7130631 has 4 divisors (see below), whose sum is σ = 9507512. Its totient is φ = 4753752.

The previous prime is 7130579. The next prime is 7130687. The reversal of 7130631 is 1360317.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 7130631 - 2⁹ = 7130119 is a prime.

It is a super-2 number, since 2×7130631² = 101691796916322, 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 = 7130598 and 7130607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7130231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1188436 + ... + 1188441.

It is an arithmetic number, because the mean of its divisors is an integer number (2376878).

Almost surely, 2^7130631 is an apocalyptic number.

7130631 is a deficient number, since it is larger than the sum of its proper divisors (2376881).

7130631 is a wasteful number, since it uses less digits than its factorization.

7130631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2376880.

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 7130631 is about 2670.3241376282. The cubic root of 7130631 is about 192.4757354023.

Adding to 7130631 its reverse (1360317), we get a palindrome (8490948).

The spelling of 7130631 in words is "seven million, one hundred thirty thousand, six hundred thirty-one".