30313102121 has 4 divisors (see below), whose sum is σ = 30400460112. Its totient is φ = 30225744132.

The previous prime is 30313102111. The next prime is 30313102163. The reversal of 30313102121 is 12120131303.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30313102121 - 2²² = 30308907817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30313102121.

It is not an unprimeable number, because it can be changed into a prime (30313102111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43678475 + ... + 43679168.

It is an arithmetic number, because the mean of its divisors is an integer number (7600115028).

Almost surely, 2^30313102121 is an apocalyptic number.

It is an amenable number.

30313102121 is a deficient number, since it is larger than the sum of its proper divisors (87357991).

30313102121 is an equidigital number, since it uses as much as digits as its factorization.

30313102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87357990.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 30313102121 its reverse (12120131303), we get a palindrome (42433233424).

The spelling of 30313102121 in words is "thirty billion, three hundred thirteen million, one hundred two thousand, one hundred twenty-one".