100304331141661 has 2 divisors, whose sum is σ = 100304331141662. Its totient is φ = 100304331141660.

The previous prime is 100304331141613. The next prime is 100304331141667. The reversal of 100304331141661 is 166141133403001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80811002376036 + 19493328765625 = 8989494^2 + 4415125^2 .

It is a cyclic number.

It is not a de Polignac number, because 100304331141661 - 2⁴³ = 91508238119453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100304331141667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50152165570830 + 50152165570831.

It is an arithmetic number, because the mean of its divisors is an integer number (50152165570831).

Almost surely, 2^{100304331141661} is an apocalyptic number.

It is an amenable number.

100304331141661 is a deficient number, since it is larger than the sum of its proper divisors (1).

100304331141661 is an equidigital number, since it uses as much as digits as its factorization.

100304331141661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

Adding to 100304331141661 its reverse (166141133403001), we get a palindrome (266445464544662).

The spelling of 100304331141661 in words is "one hundred trillion, three hundred four billion, three hundred thirty-one million, one hundred forty-one thousand, six hundred sixty-one".