2113100311231 has 32 divisors (see below), whose sum is σ = 2621565112320. Its totient is φ = 1658532416256.

The previous prime is 2113100311187. The next prime is 2113100311261. The reversal of 2113100311231 is 1321130013112.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2113100311231 is a prime.

It is a super-2 number, since 2×2113100311231² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2113100311199 and 2113100311208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113100311261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17881120 + ... + 17998906.

It is an arithmetic number, because the mean of its divisors is an integer number (81923909760).

Almost surely, 2^{2113100311231} is an apocalyptic number.

2113100311231 is a deficient number, since it is larger than the sum of its proper divisors (508464801089).

2113100311231 is a wasteful number, since it uses less digits than its factorization.

2113100311231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119383.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 2113100311231 its reverse (1321130013112), we get a palindrome (3434230324343).

The spelling of 2113100311231 in words is "two trillion, one hundred thirteen billion, one hundred million, three hundred eleven thousand, two hundred thirty-one".