42331303121 has 2 divisors, whose sum is σ = 42331303122. Its totient is φ = 42331303120.

The previous prime is 42331303093. The next prime is 42331303141. The reversal of 42331303121 is 12130313324.

42331303121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33211053121 + 9120250000 = 182239^2 + 95500^2 .

It is a cyclic number.

It is not a de Polignac number, because 42331303121 - 2²⁶ = 42264194257 is a prime.

It is not a weakly prime, because it can be changed into another prime (42331303141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21165651560 + 21165651561.

It is an arithmetic number, because the mean of its divisors is an integer number (21165651561).

Almost surely, 2^42331303121 is an apocalyptic number.

It is an amenable number.

42331303121 is a deficient number, since it is larger than the sum of its proper divisors (1).

42331303121 is an equidigital number, since it uses as much as digits as its factorization.

42331303121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 42331303121 its reverse (12130313324), we get a palindrome (54461616445).

The spelling of 42331303121 in words is "forty-two billion, three hundred thirty-one million, three hundred three thousand, one hundred twenty-one".