30123313231302 has 80 divisors (see below), whose sum is σ = 69325378794672. Its totient is φ = 9769362592320.

The previous prime is 30123313231289. The next prime is 30123313231303. The reversal of 30123313231302 is 20313231332103.

30123313231302 is a `hidden beast` number, since 3 + 0 + 1 + 2 + 3 + 31 + 323 + 1 + 302 = 666.

It is a super-2 number, since 2×30123313231302² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30123313231303) 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 39 ways as a sum of consecutive naturals, for example, 197372073 + ... + 197524635.

Almost surely, 2^{30123313231302} is an apocalyptic number.

30123313231302 is an abundant number, since it is smaller than the sum of its proper divisors (39202065563370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30123313231302 is a wasteful number, since it uses less digits than its factorization.

30123313231302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185555 (or 185546 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 30123313231302 its reverse (20313231332103), we get a palindrome (50436544563405).

The spelling of 30123313231302 in words is "thirty trillion, one hundred twenty-three billion, three hundred thirteen million, two hundred thirty-one thousand, three hundred two".