103539201281 has 2 divisors, whose sum is σ = 103539201282. Its totient is φ = 103539201280.

The previous prime is 103539201257. The next prime is 103539201317. The reversal of 103539201281 is 182102935301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103468372225 + 70829056 = 321665^2 + 8416^2 .

It is a cyclic number.

It is not a de Polignac number, because 103539201281 - 2¹⁸ = 103538939137 is a prime.

It is a super-2 number, since 2×103539201281² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (103539201251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51769600640 + 51769600641.

It is an arithmetic number, because the mean of its divisors is an integer number (51769600641).

Almost surely, 2^103539201281 is an apocalyptic number.

It is an amenable number.

103539201281 is a deficient number, since it is larger than the sum of its proper divisors (1).

103539201281 is an equidigital number, since it uses as much as digits as its factorization.

103539201281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 103539201281 in words is "one hundred three billion, five hundred thirty-nine million, two hundred one thousand, two hundred eighty-one".