230033099999981 has 2 divisors, whose sum is σ = 230033099999982. Its totient is φ = 230033099999980.

The previous prime is 230033099999977. The next prime is 230033100000079. The reversal of 230033099999981 is 189999990330032.

230033099999981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122225185802500 + 107807914197481 = 11055550^2 + 10383059^2 .

It is a cyclic number.

It is not a de Polignac number, because 230033099999981 - 2² = 230033099999977 is a prime.

It is a super-2 number, since 2×230033099999981² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 230033099999899 and 230033099999908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230033099999951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115016549999990 + 115016549999991.

It is an arithmetic number, because the mean of its divisors is an integer number (115016549999991).

Almost surely, 2^{230033099999981} is an apocalyptic number.

It is an amenable number.

230033099999981 is a deficient number, since it is larger than the sum of its proper divisors (1).

230033099999981 is an equidigital number, since it uses as much as digits as its factorization.

230033099999981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 229582512, while the sum is 74.

The spelling of 230033099999981 in words is "two hundred thirty trillion, thirty-three billion, ninety-nine million, nine hundred ninety-nine thousand, nine hundred eighty-one".