2113110313231 has 4 divisors (see below), whose sum is σ = 2123125054264. Its totient is φ = 2103095572200.

The previous prime is 2113110313217. The next prime is 2113110313243. The reversal of 2113110313231 is 1323130113112.

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 2113110313231 - 2⁵ = 2113110313199 is a prime.

It is a super-2 number, since 2×2113110313231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113110313261) 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, 5007370200 + ... + 5007370621.

It is an arithmetic number, because the mean of its divisors is an integer number (530781263566).

Almost surely, 2^{2113110313231} is an apocalyptic number.

2113110313231 is a deficient number, since it is larger than the sum of its proper divisors (10014741033).

2113110313231 is a wasteful number, since it uses less digits than its factorization.

2113110313231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10014741032.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 2113110313231 its reverse (1323130113112), we get a palindrome (3436240426343).

The spelling of 2113110313231 in words is "two trillion, one hundred thirteen billion, one hundred ten million, three hundred thirteen thousand, two hundred thirty-one".