2111312412313 has 4 divisors (see below), whose sum is σ = 2273721059428. Its totient is φ = 1948903765200.

The previous prime is 2111312412301. The next prime is 2111312412317. The reversal of 2111312412313 is 3132142131112.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1116409899609 + 994902512704 = 1056603^2 + 997448^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111312412313 - 2²⁹ = 2110775541401 is a prime.

It is a super-3 number, since 3×2111312412313³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2111312412317) 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, 81204323538 + ... + 81204323563.

It is an arithmetic number, because the mean of its divisors is an integer number (568430264857).

Almost surely, 2^{2111312412313} is an apocalyptic number.

It is an amenable number.

2111312412313 is a deficient number, since it is larger than the sum of its proper divisors (162408647115).

2111312412313 is a wasteful number, since it uses less digits than its factorization.

2111312412313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162408647114.

The product of its digits is 864, while the sum is 25.

Adding to 2111312412313 its reverse (3132142131112), we get a palindrome (5243454543425).

The spelling of 2111312412313 in words is "two trillion, one hundred eleven billion, three hundred twelve million, four hundred twelve thousand, three hundred thirteen".