30153161813 has 2 divisors, whose sum is σ = 30153161814. Its totient is φ = 30153161812.

The previous prime is 30153161693. The next prime is 30153161839. The reversal of 30153161813 is 31816135103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17030772004 + 13122389809 = 130502^2 + 114553^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30153161813 is a prime.

It is a super-2 number, since 2×30153161813² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30153161813.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30153161873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15076580906 + 15076580907.

It is an arithmetic number, because the mean of its divisors is an integer number (15076580907).

Almost surely, 2^30153161813 is an apocalyptic number.

It is an amenable number.

30153161813 is a deficient number, since it is larger than the sum of its proper divisors (1).

30153161813 is an equidigital number, since it uses as much as digits as its factorization.

30153161813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

Adding to 30153161813 its reverse (31816135103), we get a palindrome (61969296916).

The spelling of 30153161813 in words is "thirty billion, one hundred fifty-three million, one hundred sixty-one thousand, eight hundred thirteen".