30102213073 has 2 divisors, whose sum is σ = 30102213074. Its totient is φ = 30102213072.

The previous prime is 30102213049. The next prime is 30102213101. The reversal of 30102213073 is 37031220103.

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., 28431692689 + 1670520384 = 168617^2 + 40872^2 .

It is a cyclic number.

It is not a de Polignac number, because 30102213073 - 2¹⁷ = 30102082001 is a prime.

It is a super-2 number, since 2×30102213073² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30102213373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15051106536 + 15051106537.

It is an arithmetic number, because the mean of its divisors is an integer number (15051106537).

Almost surely, 2^30102213073 is an apocalyptic number.

It is an amenable number.

30102213073 is a deficient number, since it is larger than the sum of its proper divisors (1).

30102213073 is an equidigital number, since it uses as much as digits as its factorization.

30102213073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 22.

Adding to 30102213073 its reverse (37031220103), we get a palindrome (67133433176).

The spelling of 30102213073 in words is "thirty billion, one hundred two million, two hundred thirteen thousand, seventy-three".