7072311131 has 4 divisors (see below), whose sum is σ = 7072593552. Its totient is φ = 7072028712.

The previous prime is 7072311109. The next prime is 7072311187. The reversal of 7072311131 is 1311132707.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1311132707 = 233 ⋅5627179.

It is a cyclic number.

It is not a de Polignac number, because 7072311131 - 2³⁰ = 5998569307 is a prime.

It is a super-2 number, since 2×7072311131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7072311131.

It is not an unprimeable number, because it can be changed into a prime (7072314131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99551 + ... + 155096.

It is an arithmetic number, because the mean of its divisors is an integer number (1768148388).

Almost surely, 2^7072311131 is an apocalyptic number.

7072311131 is a deficient number, since it is larger than the sum of its proper divisors (282421).

7072311131 is a wasteful number, since it uses less digits than its factorization.

7072311131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282420.

The product of its (nonzero) digits is 882, while the sum is 26.

The square root of 7072311131 is about 84097.0340202317. The cubic root of 7072311131 is about 1919.4955933190.

Adding to 7072311131 its reverse (1311132707), we get a palindrome (8383443838).

The spelling of 7072311131 in words is "seven billion, seventy-two million, three hundred eleven thousand, one hundred thirty-one".