230101001281 has 2 divisors, whose sum is σ = 230101001282. Its totient is φ = 230101001280.

The previous prime is 230101001279. The next prime is 230101001321. The reversal of 230101001281 is 182100101032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 185330250000 + 44770751281 = 430500^2 + 211591^2 .

It is a cyclic number.

It is not a de Polignac number, because 230101001281 - 2¹ = 230101001279 is a prime.

It is a super-2 number, since 2×230101001281² (a number of 24 digits) contains 22 as substring.

Together with 230101001279, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (230101001981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115050500640 + 115050500641.

It is an arithmetic number, because the mean of its divisors is an integer number (115050500641).

Almost surely, 2^230101001281 is an apocalyptic number.

It is an amenable number.

230101001281 is a deficient number, since it is larger than the sum of its proper divisors (1).

230101001281 is an equidigital number, since it uses as much as digits as its factorization.

230101001281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

The spelling of 230101001281 in words is "two hundred thirty billion, one hundred one million, one thousand, two hundred eighty-one".