351013240217 has 2 divisors, whose sum is σ = 351013240218. Its totient is φ = 351013240216.

The previous prime is 351013240139. The next prime is 351013240283. The reversal of 351013240217 is 712042310153.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184466814016 + 166546426201 = 429496^2 + 408101^2 .

It is a cyclic number.

It is not a de Polignac number, because 351013240217 - 2⁸ = 351013239961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 351013240217.

It is not a weakly prime, because it can be changed into another prime (351013200217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175506620108 + 175506620109.

It is an arithmetic number, because the mean of its divisors is an integer number (175506620109).

Almost surely, 2^351013240217 is an apocalyptic number.

It is an amenable number.

351013240217 is a deficient number, since it is larger than the sum of its proper divisors (1).

351013240217 is an equidigital number, since it uses as much as digits as its factorization.

351013240217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The spelling of 351013240217 in words is "three hundred fifty-one billion, thirteen million, two hundred forty thousand, two hundred seventeen".