2113231301231 has 8 divisors (see below), whose sum is σ = 2114979231360. Its totient is φ = 2111483541888.

The previous prime is 2113231301227. The next prime is 2113231301263. The reversal of 2113231301231 is 1321031323112.

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 2113231301231 - 2² = 2113231301227 is a prime.

It is a super-2 number, since 2×2113231301231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2113231301197 and 2113231301206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113231381231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39541730 + ... + 39595136.

It is an arithmetic number, because the mean of its divisors is an integer number (264372403920).

Almost surely, 2^{2113231301231} is an apocalyptic number.

2113231301231 is a deficient number, since it is larger than the sum of its proper divisors (1747930129).

2113231301231 is a wasteful number, since it uses less digits than its factorization.

2113231301231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85393.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 2113231301231 its reverse (1321031323112), we get a palindrome (3434262624343).

The spelling of 2113231301231 in words is "two trillion, one hundred thirteen billion, two hundred thirty-one million, three hundred one thousand, two hundred thirty-one".