2113342311231 has 32 divisors (see below), whose sum is σ = 3254236849920. Its totient is φ = 1354300718112.

The previous prime is 2113342311163. The next prime is 2113342311247. The reversal of 2113342311231 is 1321132433112.

2113342311231 is a `hidden beast` number, since 2 + 1 + 1 + 3 + 3 + 423 + 1 + 1 + 231 = 666.

It is not a de Polignac number, because 2113342311231 - 2¹⁸ = 2113342049087 is a prime.

It is a super-2 number, since 2×2113342311231² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2113342311195 and 2113342311204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113342321231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12660805 + ... + 12826638.

It is an arithmetic number, because the mean of its divisors is an integer number (101694901560).

Almost surely, 2^{2113342311231} is an apocalyptic number.

2113342311231 is a deficient number, since it is larger than the sum of its proper divisors (1140894538689).

2113342311231 is a wasteful number, since it uses less digits than its factorization.

2113342311231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25487572 (or 25487566 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

Adding to 2113342311231 its reverse (1321132433112), we get a palindrome (3434474744343).

The spelling of 2113342311231 in words is "two trillion, one hundred thirteen billion, three hundred forty-two million, three hundred eleven thousand, two hundred thirty-one".