2311312411405 has 8 divisors (see below), whose sum is σ = 2773853061912. Its totient is φ = 1848864483648.

The previous prime is 2311312411307. The next prime is 2311312411427. The reversal of 2311312411405 is 5041142131132.

It can be written as a sum of positive squares in 4 ways, for example, as 67748801796 + 2243563609609 = 260286^2 + 1497853^2 .

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 2311312411405 - 2⁷ = 2311312411277 is a prime.

It is a super-2 number, since 2×2311312411405² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23125834 + ... + 23225563.

It is an arithmetic number, because the mean of its divisors is an integer number (346731632739).

Almost surely, 2^{2311312411405} is an apocalyptic number.

It is an amenable number.

2311312411405 is a deficient number, since it is larger than the sum of its proper divisors (462540650507).

2311312411405 is an equidigital number, since it uses as much as digits as its factorization.

2311312411405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46361375.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 2311312411405 its reverse (5041142131132), we get a palindrome (7352454542537).

The spelling of 2311312411405 in words is "two trillion, three hundred eleven billion, three hundred twelve million, four hundred eleven thousand, four hundred five".