2201023331231 has 4 divisors (see below), whose sum is σ = 2201048631000. Its totient is φ = 2200998031464.

The previous prime is 2201023331149. The next prime is 2201023331321. The reversal of 2201023331231 is 1321333201022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2201023331231 is a prime.

It is a super-2 number, since 2×2201023331231² (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 = 2201023331197 and 2201023331206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201023331431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12518936 + ... + 12693533.

It is an arithmetic number, because the mean of its divisors is an integer number (550262157750).

Almost surely, 2^{2201023331231} is an apocalyptic number.

2201023331231 is a deficient number, since it is larger than the sum of its proper divisors (25299769).

2201023331231 is an equidigital number, since it uses as much as digits as its factorization.

2201023331231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25299768.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2201023331231 its reverse (1321333201022), we get a palindrome (3522356532253).

The spelling of 2201023331231 in words is "two trillion, two hundred one billion, twenty-three million, three hundred thirty-one thousand, two hundred thirty-one".