30123113210 has 16 divisors (see below), whose sum is σ = 54279241992. Its totient is φ = 12036436800.

The previous prime is 30123113203. The next prime is 30123113257. The reversal of 30123113210 is 1231132103.

It can be written as a sum of positive squares in 4 ways, for example, as 25681024009 + 4442089201 = 160253^2 + 66649^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1591181 + ... + 1610000.

Almost surely, 2^30123113210 is an apocalyptic number.

30123113210 is a deficient number, since it is larger than the sum of its proper divisors (24156128782).

30123113210 is a wasteful number, since it uses less digits than its factorization.

30123113210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3202129.

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

Adding to 30123113210 its reverse (1231132103), we get a palindrome (31354245313).

The spelling of 30123113210 in words is "thirty billion, one hundred twenty-three million, one hundred thirteen thousand, two hundred ten".