2311040213 has 8 divisors (see below), whose sum is σ = 2330669400. Its totient is φ = 2291466240.

The previous prime is 2311040201. The next prime is 2311040219. The reversal of 2311040213 is 3120401132.

It can be written as a sum of positive squares in 4 ways, for example, as 895625329 + 1415414884 = 29927^2 + 37622^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2311040213 is a prime.

It is a super-2 number, since 2×2311040213² = 10681813732206170738, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2311040191 and 2311040200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311040219) 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 7 ways as a sum of consecutive naturals, for example, 72533 + ... + 99413.

It is an arithmetic number, because the mean of its divisors is an integer number (291333675).

Almost surely, 2^2311040213 is an apocalyptic number.

It is an amenable number.

2311040213 is a deficient number, since it is larger than the sum of its proper divisors (19629187).

2311040213 is a wasteful number, since it uses less digits than its factorization.

2311040213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27607.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2311040213 is about 48073.2796156035. The cubic root of 2311040213 is about 1322.1148019758.

Adding to 2311040213 its reverse (3120401132), we get a palindrome (5431441345).

The spelling of 2311040213 in words is "two billion, three hundred eleven million, forty thousand, two hundred thirteen".