43010031133021 has 2 divisors, whose sum is σ = 43010031133022. Its totient is φ = 43010031133020.

The previous prime is 43010031132977. The next prime is 43010031133031. The reversal of 43010031133021 is 12033113001034.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25971876180121 + 17038154952900 = 5096261^2 + 4127730^2 .

It is a cyclic number.

It is not a de Polignac number, because 43010031133021 - 2²⁹ = 43009494262109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43010031132983 and 43010031133001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43010031133031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21505015566510 + 21505015566511.

It is an arithmetic number, because the mean of its divisors is an integer number (21505015566511).

Almost surely, 2^{43010031133021} is an apocalyptic number.

It is an amenable number.

43010031133021 is a deficient number, since it is larger than the sum of its proper divisors (1).

43010031133021 is an equidigital number, since it uses as much as digits as its factorization.

43010031133021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 43010031133021 its reverse (12033113001034), we get a palindrome (55043144134055).

The spelling of 43010031133021 in words is "forty-three trillion, ten billion, thirty-one million, one hundred thirty-three thousand, twenty-one".