30303302121 has 48 divisors (see below), whose sum is σ = 45762784704. Its totient is φ = 20038186944.

The previous prime is 30303302119. The next prime is 30303302143. The reversal of 30303302121 is 12120330303.

It is not a de Polignac number, because 30303302121 - 2¹ = 30303302119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30303302094 and 30303302103.

It is not an unprimeable number, because it can be changed into a prime (30303304121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17485171 + ... + 17486903.

It is an arithmetic number, because the mean of its divisors is an integer number (953391348).

Almost surely, 2^30303302121 is an apocalyptic number.

It is an amenable number.

30303302121 is a deficient number, since it is larger than the sum of its proper divisors (15459482583).

30303302121 is a wasteful number, since it uses less digits than its factorization.

30303302121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2292 (or 2280 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 30303302121 its reverse (12120330303), we get a palindrome (42423632424).

The spelling of 30303302121 in words is "thirty billion, three hundred three million, three hundred two thousand, one hundred twenty-one".