4233221031131 has 6 divisors (see below), whose sum is σ = 4314600149580. Its totient is φ = 4153348933448.

The previous prime is 4233221031121. The next prime is 4233221031133. The reversal of 4233221031131 is 1311301223324.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-4233221031131 is a prime.

It is a super-2 number, since 2×4233221031131² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4233221031131.

It is not an unprimeable number, because it can be changed into a prime (4233221031133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 753507521 + ... + 753513138.

It is an arithmetic number, because the mean of its divisors is an integer number (719100024930).

Almost surely, 2^{4233221031131} is an apocalyptic number.

4233221031131 is a deficient number, since it is larger than the sum of its proper divisors (81379118449).

4233221031131 is an equidigital number, since it uses as much as digits as its factorization.

4233221031131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507020765 (or 1507020712 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 4233221031131 its reverse (1311301223324), we get a palindrome (5544522254455).

The spelling of 4233221031131 in words is "four trillion, two hundred thirty-three billion, two hundred twenty-one million, thirty-one thousand, one hundred thirty-one".