43102220243131 has 6 divisors (see below), whose sum is σ = 50139317425740. Its totient is φ = 36944760208356.

The previous prime is 43102220243083. The next prime is 43102220243161. The reversal of 43102220243131 is 13134202220134.

It is not a de Polignac number, because 43102220243131 - 2¹⁷ = 43102220112059 is a prime.

It is a super-2 number, since 2×43102220243131² (a number of 28 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 43102220243131.

It is not an unprimeable number, because it can be changed into a prime (43102220243161) 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, 439818573861 + ... + 439818573958.

It is an arithmetic number, because the mean of its divisors is an integer number (8356552904290).

Almost surely, 2^{43102220243131} is an apocalyptic number.

43102220243131 is a deficient number, since it is larger than the sum of its proper divisors (7037097182609).

43102220243131 is an equidigital number, since it uses as much as digits as its factorization.

43102220243131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879637147833 (or 879637147826 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 43102220243131 its reverse (13134202220134), we get a palindrome (56236422463265).

The spelling of 43102220243131 in words is "forty-three trillion, one hundred two billion, two hundred twenty million, two hundred forty-three thousand, one hundred thirty-one".