7162131 has 12 divisors (see below), whose sum is σ = 9984968. Its totient is φ = 4566144.

The previous prime is 7162109. The next prime is 7162171. The reversal of 7162131 is 1312617.

It is not a de Polignac number, because 7162131 - 2⁹ = 7161619 is a prime.

It is a super-2 number, since 2×7162131² = 102592240922322, which contains 22 as substring.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7162098 and 7162107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7162171) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 670 + ... + 3843.

Almost surely, 2^7162131 is an apocalyptic number.

7162131 is a deficient number, since it is larger than the sum of its proper divisors (2822837).

7162131 is a wasteful number, since it uses less digits than its factorization.

7162131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4562 (or 4539 counting only the distinct ones).

The product of its digits is 252, while the sum is 21.

The square root of 7162131 is about 2676.2157984737. The cubic root of 7162131 is about 192.7587435325.

Adding to 7162131 its reverse (1312617), we get a palindrome (8474748).

The spelling of 7162131 in words is "seven million, one hundred sixty-two thousand, one hundred thirty-one".