43030324203121 has 2 divisors, whose sum is σ = 43030324203122. Its totient is φ = 43030324203120.

The previous prime is 43030324203091. The next prime is 43030324203157. The reversal of 43030324203121 is 12130242303034.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42799909802896 + 230414400225 = 6542164^2 + 480015^2 .

It is a cyclic number.

It is not a de Polignac number, because 43030324203121 - 2⁷ = 43030324202993 is a prime.

It is a super-2 number, since 2×43030324203121² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43030324203121.

It is not a weakly prime, because it can be changed into another prime (43030324203521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21515162101560 + 21515162101561.

It is an arithmetic number, because the mean of its divisors is an integer number (21515162101561).

Almost surely, 2^{43030324203121} is an apocalyptic number.

It is an amenable number.

43030324203121 is a deficient number, since it is larger than the sum of its proper divisors (1).

43030324203121 is an equidigital number, since it uses as much as digits as its factorization.

43030324203121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 43030324203121 its reverse (12130242303034), we get a palindrome (55160566506155).

The spelling of 43030324203121 in words is "forty-three trillion, thirty billion, three hundred twenty-four million, two hundred three thousand, one hundred twenty-one".