2403400212311 has 4 divisors (see below), whose sum is σ = 2746743099792. Its totient is φ = 2060057324832.

The previous prime is 2403400212233. The next prime is 2403400212319. The reversal of 2403400212311 is 1132120043042.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2403400212311 - 2¹⁰ = 2403400211287 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 (2403400212319) 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, 171671443730 + ... + 171671443743.

It is an arithmetic number, because the mean of its divisors is an integer number (686685774948).

Almost surely, 2^{2403400212311} is an apocalyptic number.

2403400212311 is a deficient number, since it is larger than the sum of its proper divisors (343342887481).

2403400212311 is an equidigital number, since it uses as much as digits as its factorization.

2403400212311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343342887480.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2403400212311 its reverse (1132120043042), we get a palindrome (3535520255353).

The spelling of 2403400212311 in words is "two trillion, four hundred three billion, four hundred million, two hundred twelve thousand, three hundred eleven".