120343016281 has 2 divisors, whose sum is σ = 120343016282. Its totient is φ = 120343016280.

The previous prime is 120343016251. The next prime is 120343016291. The reversal of 120343016281 is 182610343021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90911898256 + 29431118025 = 301516^2 + 171555^2 .

It is a cyclic number.

It is not a de Polignac number, because 120343016281 - 2⁷ = 120343016153 is a prime.

It is a super-2 number, since 2×120343016281² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120343016231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60171508140 + 60171508141.

It is an arithmetic number, because the mean of its divisors is an integer number (60171508141).

Almost surely, 2^120343016281 is an apocalyptic number.

It is an amenable number.

120343016281 is a deficient number, since it is larger than the sum of its proper divisors (1).

120343016281 is an equidigital number, since it uses as much as digits as its factorization.

120343016281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 120343016281 in words is "one hundred twenty billion, three hundred forty-three million, sixteen thousand, two hundred eighty-one".