30102131123102 has 16 divisors (see below), whose sum is σ = 46609951537152. Its totient is φ = 14565484779960.

The previous prime is 30102131123089. The next prime is 30102131123107. The reversal of 30102131123102 is 20132113120103.

It is a happy number.

It is a super-2 number, since 2×30102131123102² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30102131123107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15654143 + ... + 17471589.

It is an arithmetic number, because the mean of its divisors is an integer number (2913121971072).

Almost surely, 2^{30102131123102} is an apocalyptic number.

30102131123102 is a deficient number, since it is larger than the sum of its proper divisors (16507820414050).

30102131123102 is a wasteful number, since it uses less digits than its factorization.

30102131123102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084623.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 30102131123102 its reverse (20132113120103), we get a palindrome (50234244243205).

The spelling of 30102131123102 in words is "thirty trillion, one hundred two billion, one hundred thirty-one million, one hundred twenty-three thousand, one hundred two".