1030103030081 has 2 divisors, whose sum is σ = 1030103030082. Its totient is φ = 1030103030080.

The previous prime is 1030103030063. The next prime is 1030103030219. The reversal of 1030103030081 is 1800303010301.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 675381537856 + 354721492225 = 821816^2 + 595585^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030103030081 - 2¹⁸ = 1030102767937 is a prime.

It is a super-2 number, since 2×1030103030081² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1030103030381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515051515040 + 515051515041.

It is an arithmetic number, because the mean of its divisors is an integer number (515051515041).

Almost surely, 2^{1030103030081} is an apocalyptic number.

It is an amenable number.

1030103030081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030103030081 is an equidigital number, since it uses as much as digits as its factorization.

1030103030081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1030103030081 its reverse (1800303010301), we get a palindrome (2830406040382).

The spelling of 1030103030081 in words is "one trillion, thirty billion, one hundred three million, thirty thousand, eighty-one".