11331030313 has 4 divisors (see below), whose sum is σ = 11607396948. Its totient is φ = 11054663680.

The previous prime is 11331030311. The next prime is 11331030341. The reversal of 11331030313 is 31303013311.

It is a happy number.

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 5462244649 + 5868785664 = 73907^2 + 76608^2 .

It is a cyclic number.

It is not a de Polignac number, because 11331030313 - 2¹ = 11331030311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11331030311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138183256 + ... + 138183337.

It is an arithmetic number, because the mean of its divisors is an integer number (2901849237).

Almost surely, 2^11331030313 is an apocalyptic number.

It is an amenable number.

11331030313 is a deficient number, since it is larger than the sum of its proper divisors (276366635).

11331030313 is an equidigital number, since it uses as much as digits as its factorization.

11331030313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276366634.

The product of its (nonzero) digits is 243, while the sum is 19.

Adding to 11331030313 its reverse (31303013311), we get a palindrome (42634043624).

The spelling of 11331030313 in words is "eleven billion, three hundred thirty-one million, thirty thousand, three hundred thirteen".