2113302011231 has 2 divisors, whose sum is σ = 2113302011232. Its totient is φ = 2113302011230.

The previous prime is 2113302011207. The next prime is 2113302011257. The reversal of 2113302011231 is 1321102033112.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2113302011231 - 2⁶ = 2113302011167 is a prime.

It is a super-2 number, since 2×2113302011231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2113302011831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056651005615 + 1056651005616.

It is an arithmetic number, because the mean of its divisors is an integer number (1056651005616).

Almost surely, 2^{2113302011231} is an apocalyptic number.

2113302011231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113302011231 is an equidigital number, since it uses as much as digits as its factorization.

2113302011231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2113302011231 its reverse (1321102033112), we get a palindrome (3434404044343).

The spelling of 2113302011231 in words is "two trillion, one hundred thirteen billion, three hundred two million, eleven thousand, two hundred thirty-one".