3111130313 has 4 divisors (see below), whose sum is σ = 3114678660. Its totient is φ = 3107581968.

The previous prime is 3111130291. The next prime is 3111130331. The reversal of 3111130313 is 3130311113.

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 2412479689 + 698650624 = 49117^2 + 26432^2 .

It is a cyclic number.

It is not a de Polignac number, because 3111130313 - 2¹⁸ = 3110868169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3111130291 and 3111130300.

It is not an unprimeable number, because it can be changed into a prime (3111130513) 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, 1772858 + ... + 1774611.

It is an arithmetic number, because the mean of its divisors is an integer number (778669665).

Almost surely, 2^3111130313 is an apocalyptic number.

It is an amenable number.

3111130313 is a deficient number, since it is larger than the sum of its proper divisors (3548347).

3111130313 is an equidigital number, since it uses as much as digits as its factorization.

3111130313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3548346.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 3111130313 is about 55777.5072318583. The cubic root of 3111130313 is about 1459.8427166841.

Adding to 3111130313 its reverse (3130311113), we get a palindrome (6241441426).

The spelling of 3111130313 in words is "three billion, one hundred eleven million, one hundred thirty thousand, three hundred thirteen".