102843996181 has 2 divisors, whose sum is σ = 102843996182. Its totient is φ = 102843996180.

The previous prime is 102843996173. The next prime is 102843996221. The reversal of 102843996181 is 181699348201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78871667281 + 23972328900 = 280841^2 + 154830^2 .

It is a cyclic number.

It is not a de Polignac number, because 102843996181 - 2³ = 102843996173 is a prime.

It is a super-2 number, since 2×102843996181² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102843996781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51421998090 + 51421998091.

It is an arithmetic number, because the mean of its divisors is an integer number (51421998091).

Almost surely, 2^102843996181 is an apocalyptic number.

It is an amenable number.

102843996181 is a deficient number, since it is larger than the sum of its proper divisors (1).

102843996181 is an equidigital number, since it uses as much as digits as its factorization.

102843996181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 52.

The spelling of 102843996181 in words is "one hundred two billion, eight hundred forty-three million, nine hundred ninety-six thousand, one hundred eighty-one".