351981000013 has 2 divisors, whose sum is σ = 351981000014. Its totient is φ = 351981000012.

The previous prime is 351980999989. The next prime is 351981000047. The reversal of 351981000013 is 310000189153.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 252161652649 + 99819347364 = 502157^2 + 315942^2 .

It is an emirp because it is prime and its reverse (310000189153) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-351981000013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (351981000073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175990500006 + 175990500007.

It is an arithmetic number, because the mean of its divisors is an integer number (175990500007).

Almost surely, 2^351981000013 is an apocalyptic number.

It is an amenable number.

351981000013 is a deficient number, since it is larger than the sum of its proper divisors (1).

351981000013 is an equidigital number, since it uses as much as digits as its factorization.

351981000013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 31.

Adding to 351981000013 its reverse (310000189153), we get a palindrome (661981189166).

The spelling of 351981000013 in words is "three hundred fifty-one billion, nine hundred eighty-one million, thirteen", and thus it is an aban number.