7311030113 has 4 divisors (see below), whose sum is σ = 7311351060. Its totient is φ = 7310709168.

The previous prime is 7311030073. The next prime is 7311030119. The reversal of 7311030113 is 3110301137.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4639380769 + 2671649344 = 68113^2 + 51688^2 .

It is a cyclic number.

It is not a de Polignac number, because 7311030113 - 2⁸ = 7311029857 is a prime.

It is a super-2 number, since 2×7311030113² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7311030119) 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, 123458 + ... + 172811.

It is an arithmetic number, because the mean of its divisors is an integer number (1827837765).

Almost surely, 2^7311030113 is an apocalyptic number.

It is an amenable number.

7311030113 is a deficient number, since it is larger than the sum of its proper divisors (320947).

7311030113 is a wasteful number, since it uses less digits than its factorization.

7311030113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320946.

The product of its (nonzero) digits is 189, while the sum is 20.

The square root of 7311030113 is about 85504.5619426239. The cubic root of 7311030113 is about 1940.8539579283.

The spelling of 7311030113 in words is "seven billion, three hundred eleven million, thirty thousand, one hundred thirteen".