2113303512311 has 4 divisors (see below), whose sum is σ = 2113329862272. Its totient is φ = 2113277162352.

The previous prime is 2113303512277. The next prime is 2113303512317. The reversal of 2113303512311 is 1132153033112.

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 2113303512311 - 2¹⁰ = 2113303511287 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 (2113303512317) 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, 13054310 + ... + 13215203.

It is an arithmetic number, because the mean of its divisors is an integer number (528332465568).

Almost surely, 2^{2113303512311} is an apocalyptic number.

2113303512311 is a deficient number, since it is larger than the sum of its proper divisors (26349961).

2113303512311 is an equidigital number, since it uses as much as digits as its factorization.

2113303512311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26349960.

The product of its (nonzero) digits is 1620, while the sum is 26.

Adding to 2113303512311 its reverse (1132153033112), we get a palindrome (3245456545423).

The spelling of 2113303512311 in words is "two trillion, one hundred thirteen billion, three hundred three million, five hundred twelve thousand, three hundred eleven".