7151131 has 16 divisors (see below), whose sum is σ = 8001504. Its totient is φ = 6349824.

The previous prime is 7151113. The next prime is 7151141. The reversal of 7151131 is 1311517.

It is not a de Polignac number, because 7151131 - 2¹³ = 7142939 is a prime.

It is a super-2 number, since 2×7151131² = 102277349158322, which contains 22 as substring.

It is a Duffinian number.

7151131 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 7151099 and 7151108.

It is not an unprimeable number, because it can be changed into a prime (7151141) 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 15 ways as a sum of consecutive naturals, for example, 66780 + ... + 66886.

It is an arithmetic number, because the mean of its divisors is an integer number (500094).

Almost surely, 2^7151131 is an apocalyptic number.

7151131 is a deficient number, since it is larger than the sum of its proper divisors (850373).

7151131 is a wasteful number, since it uses less digits than its factorization.

7151131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270.

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

The square root of 7151131 is about 2674.1598680707. The cubic root of 7151131 is about 192.6600097608.

Adding to 7151131 its reverse (1311517), we get a palindrome (8462648).

The spelling of 7151131 in words is "seven million, one hundred fifty-one thousand, one hundred thirty-one".