351032142217 has 2 divisors, whose sum is σ = 351032142218. Its totient is φ = 351032142216.

The previous prime is 351032142203. The next prime is 351032142353. The reversal of 351032142217 is 712241230153.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 339027872121 + 12004270096 = 582261^2 + 109564^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-351032142217 is a prime.

It is a super-2 number, since 2×351032142217² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (351032142017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175516071108 + 175516071109.

It is an arithmetic number, because the mean of its divisors is an integer number (175516071109).

Almost surely, 2^351032142217 is an apocalyptic number.

It is an amenable number.

351032142217 is a deficient number, since it is larger than the sum of its proper divisors (1).

351032142217 is an equidigital number, since it uses as much as digits as its factorization.

351032142217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The spelling of 351032142217 in words is "three hundred fifty-one billion, thirty-two million, one hundred forty-two thousand, two hundred seventeen".