7163131 has 8 divisors (see below), whose sum is σ = 7338240. Its totient is φ = 6989928.

The previous prime is 7163113. The next prime is 7163147. The reversal of 7163131 is 1313617.

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

It is a cyclic number.

It is not a de Polignac number, because 7163131 - 2⁹ = 7162619 is a prime.

It is a super-3 number, since 3×7163131³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

7163131 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7163731) 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, 9490 + ... + 10216.

It is an arithmetic number, because the mean of its divisors is an integer number (917280).

Almost surely, 2^7163131 is an apocalyptic number.

7163131 is a deficient number, since it is larger than the sum of its proper divisors (175109).

7163131 is a wasteful number, since it uses less digits than its factorization.

7163131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953.

The product of its digits is 378, while the sum is 22.

The square root of 7163131 is about 2676.4026229250. The cubic root of 7163131 is about 192.7677143157.

Adding to 7163131 its reverse (1313617), we get a palindrome (8476748).

The spelling of 7163131 in words is "seven million, one hundred sixty-three thousand, one hundred thirty-one".