30313203913 has 2 divisors, whose sum is σ = 30313203914. Its totient is φ = 30313203912.

The previous prime is 30313203883. The next prime is 30313203941. The reversal of 30313203913 is 31930231303.

It is an a-pointer prime, because the next prime (30313203941) can be obtained adding 30313203913 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28079034624 + 2234169289 = 167568^2 + 47267^2 .

It is a cyclic number.

It is not a de Polignac number, because 30313203913 - 2⁵ = 30313203881 is a prime.

It is a super-2 number, since 2×30313203913² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30313243913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15156601956 + 15156601957.

It is an arithmetic number, because the mean of its divisors is an integer number (15156601957).

Almost surely, 2^30313203913 is an apocalyptic number.

It is an amenable number.

30313203913 is a deficient number, since it is larger than the sum of its proper divisors (1).

30313203913 is an equidigital number, since it uses as much as digits as its factorization.

30313203913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 28.

The spelling of 30313203913 in words is "thirty billion, three hundred thirteen million, two hundred three thousand, nine hundred thirteen".