10303003121 has 2 divisors, whose sum is σ = 10303003122. Its totient is φ = 10303003120.

The previous prime is 10303003097. The next prime is 10303003141. The reversal of 10303003121 is 12130030301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6490558096 + 3812445025 = 80564^2 + 61745^2 .

It is an emirp because it is prime and its reverse (12130030301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10303003121 - 2²⁶ = 10235894257 is a prime.

It is a super-2 number, since 2×10303003121² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10303003096 and 10303003105.

It is not a weakly prime, because it can be changed into another prime (10303003141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5151501560 + 5151501561.

It is an arithmetic number, because the mean of its divisors is an integer number (5151501561).

Almost surely, 2^10303003121 is an apocalyptic number.

It is an amenable number.

10303003121 is a deficient number, since it is larger than the sum of its proper divisors (1).

10303003121 is an equidigital number, since it uses as much as digits as its factorization.

10303003121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 10303003121 its reverse (12130030301), we get a palindrome (22433033422).

The spelling of 10303003121 in words is "ten billion, three hundred three million, three thousand, one hundred twenty-one".