2311405013 has 8 divisors (see below), whose sum is σ = 2323839000. Its totient is φ = 2299004928.

The previous prime is 2311405001. The next prime is 2311405021. The reversal of 2311405013 is 3105041132.

It can be written as a sum of positive squares in 4 ways, for example, as 1813311889 + 498093124 = 42583^2 + 22318^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2311405013 - 2¹⁶ = 2311339477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311405093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134645 + ... + 150837.

It is an arithmetic number, because the mean of its divisors is an integer number (290479875).

Almost surely, 2^2311405013 is an apocalyptic number.

It is an amenable number.

2311405013 is a deficient number, since it is larger than the sum of its proper divisors (12433987).

2311405013 is a wasteful number, since it uses less digits than its factorization.

2311405013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16951.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2311405013 is about 48077.0736734257. The cubic root of 2311405013 is about 1322.1843640286.

Adding to 2311405013 its reverse (3105041132), we get a palindrome (5416446145).

The spelling of 2311405013 in words is "two billion, three hundred eleven million, four hundred five thousand, thirteen".