7115131 has 4 divisors (see below), whose sum is σ = 7149064. Its totient is φ = 7081200.

The previous prime is 7115117. The next prime is 7115153. The reversal of 7115131 is 1315117.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1315117 = 23 ⋅57179.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7115131 is a prime.

It is a super-2 number, since 2×7115131² = 101250178294322, 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 = 7115099 and 7115108.

It is not an unprimeable number, because it can be changed into a prime (7115111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16650 + ... + 17071.

It is an arithmetic number, because the mean of its divisors is an integer number (1787266).

Almost surely, 2^7115131 is an apocalyptic number.

7115131 is a deficient number, since it is larger than the sum of its proper divisors (33933).

7115131 is a wasteful number, since it uses less digits than its factorization.

7115131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33932.

The product of its digits is 105, while the sum is 19.

The square root of 7115131 is about 2667.4202893432. The cubic root of 7115131 is about 192.3361714007.

The spelling of 7115131 in words is "seven million, one hundred fifteen thousand, one hundred thirty-one".