1040220433331 has 4 divisors (see below), whose sum is σ = 1040302918032. Its totient is φ = 1040137948632.

The previous prime is 1040220433309. The next prime is 1040220433363. The reversal of 1040220433331 is 1333340220401.

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-1040220433331 is a prime.

It is a super-2 number, since 2×1040220433331² (a number of 25 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 1040220433331.

It is not an unprimeable number, because it can be changed into a prime (1040220432331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41223431 + ... + 41248656.

It is an arithmetic number, because the mean of its divisors is an integer number (260075729508).

Almost surely, 2^{1040220433331} is an apocalyptic number.

1040220433331 is a deficient number, since it is larger than the sum of its proper divisors (82484701).

1040220433331 is an equidigital number, since it uses as much as digits as its factorization.

1040220433331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82484700.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 1040220433331 its reverse (1333340220401), we get a palindrome (2373560653732).

The spelling of 1040220433331 in words is "one trillion, forty billion, two hundred twenty million, four hundred thirty-three thousand, three hundred thirty-one".