30121303210 has 32 divisors (see below), whose sum is σ = 54510952320. Its totient is φ = 11983645248.

The previous prime is 30121303207. The next prime is 30121303279. The reversal of 30121303210 is 1230312103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1708621 + ... + 1726159.

It is an arithmetic number, because the mean of its divisors is an integer number (1703467260).

Almost surely, 2^30121303210 is an apocalyptic number.

30121303210 is a deficient number, since it is larger than the sum of its proper divisors (24389649110).

30121303210 is a wasteful number, since it uses less digits than its factorization.

30121303210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18462.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30121303210 its reverse (1230312103), we get a palindrome (31351615313).

The spelling of 30121303210 in words is "thirty billion, one hundred twenty-one million, three hundred three thousand, two hundred ten".