100331344361 has 2 divisors, whose sum is σ = 100331344362. Its totient is φ = 100331344360.

The previous prime is 100331344307. The next prime is 100331344367. The reversal of 100331344361 is 163443133001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74716942336 + 25614402025 = 273344^2 + 160045^2 .

It is a cyclic number.

It is not a de Polignac number, because 100331344361 - 2⁶ = 100331344297 is a prime.

It is a super-2 number, since 2×100331344361² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100331344367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50165672180 + 50165672181.

It is an arithmetic number, because the mean of its divisors is an integer number (50165672181).

Almost surely, 2^100331344361 is an apocalyptic number.

It is an amenable number.

100331344361 is a deficient number, since it is larger than the sum of its proper divisors (1).

100331344361 is an equidigital number, since it uses as much as digits as its factorization.

100331344361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 100331344361 its reverse (163443133001), we get a palindrome (263774477362).

The spelling of 100331344361 in words is "one hundred billion, three hundred thirty-one million, three hundred forty-four thousand, three hundred sixty-one".