350243431521311 has 2 divisors, whose sum is σ = 350243431521312. Its totient is φ = 350243431521310.

The previous prime is 350243431521283. The next prime is 350243431521419. The reversal of 350243431521311 is 113125134342053.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (113125134342053) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 350243431521311 - 2³⁸ = 349968553614367 is a prime.

It is a super-2 number, since 2×350243431521311² (a number of 30 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (350243431521211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175121715760655 + 175121715760656.

It is an arithmetic number, because the mean of its divisors is an integer number (175121715760656).

Almost surely, 2^{350243431521311} is an apocalyptic number.

350243431521311 is a deficient number, since it is larger than the sum of its proper divisors (1).

350243431521311 is an equidigital number, since it uses as much as digits as its factorization.

350243431521311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 350243431521311 its reverse (113125134342053), we get a palindrome (463368565863364).

The spelling of 350243431521311 in words is "three hundred fifty trillion, two hundred forty-three billion, four hundred thirty-one million, five hundred twenty-one thousand, three hundred eleven".