30103020313 has 2 divisors, whose sum is σ = 30103020314. Its totient is φ = 30103020312.

The previous prime is 30103020247. The next prime is 30103020319. The reversal of 30103020313 is 31302030103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19188621529 + 10914398784 = 138523^2 + 104472^2 .

It is a cyclic number.

It is not a de Polignac number, because 30103020313 - 2¹⁷ = 30102889241 is a prime.

It is a super-3 number, since 3×30103020313³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (30103020319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15051510156 + 15051510157.

It is an arithmetic number, because the mean of its divisors is an integer number (15051510157).

Almost surely, 2^30103020313 is an apocalyptic number.

It is an amenable number.

30103020313 is a deficient number, since it is larger than the sum of its proper divisors (1).

30103020313 is an equidigital number, since it uses as much as digits as its factorization.

30103020313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 30103020313 its reverse (31302030103), we get a palindrome (61405050416).

The spelling of 30103020313 in words is "thirty billion, one hundred three million, twenty thousand, three hundred thirteen".