1131022142443 has 2 divisors, whose sum is σ = 1131022142444. Its totient is φ = 1131022142442.

The previous prime is 1131022142431. The next prime is 1131022142473. The reversal of 1131022142443 is 3442412201311.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1131022142443 - 2¹³ = 1131022134251 is a prime.

It is a super-2 number, since 2×1131022142443² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1131022142413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565511071221 + 565511071222.

It is an arithmetic number, because the mean of its divisors is an integer number (565511071222).

Almost surely, 2^{1131022142443} is an apocalyptic number.

1131022142443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131022142443 is an equidigital number, since it uses as much as digits as its factorization.

1131022142443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 1131022142443 its reverse (3442412201311), we get a palindrome (4573434343754).

The spelling of 1131022142443 in words is "one trillion, one hundred thirty-one billion, twenty-two million, one hundred forty-two thousand, four hundred forty-three".