350431142021 has 2 divisors, whose sum is σ = 350431142022. Its totient is φ = 350431142020.

The previous prime is 350431141999. The next prime is 350431142093. The reversal of 350431142021 is 120241134053.

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., 222632041921 + 127799100100 = 471839^2 + 357490^2 .

It is a cyclic number.

It is not a de Polignac number, because 350431142021 - 2²⁶ = 350364033157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (350431442021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175215571010 + 175215571011.

It is an arithmetic number, because the mean of its divisors is an integer number (175215571011).

Almost surely, 2^350431142021 is an apocalyptic number.

It is an amenable number.

350431142021 is a deficient number, since it is larger than the sum of its proper divisors (1).

350431142021 is an equidigital number, since it uses as much as digits as its factorization.

350431142021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 350431142021 its reverse (120241134053), we get a palindrome (470672276074).

The spelling of 350431142021 in words is "three hundred fifty billion, four hundred thirty-one million, one hundred forty-two thousand, twenty-one".