30121311230 has 64 divisors (see below), whose sum is σ = 58603184640. Its totient is φ = 11110006656.

The previous prime is 30121311217. The next prime is 30121311239. The reversal of 30121311230 is 3211312103.

It is a super-2 number, since 2×30121311230² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30121311199 and 30121311208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30121311239) 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 31 ways as a sum of consecutive naturals, for example, 2387519 + ... + 2400101.

It is an arithmetic number, because the mean of its divisors is an integer number (915674760).

Almost surely, 2^30121311230 is an apocalyptic number.

30121311230 is a deficient number, since it is larger than the sum of its proper divisors (28481873410).

30121311230 is a wasteful number, since it uses less digits than its factorization.

30121311230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12945.

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

Adding to 30121311230 its reverse (3211312103), we get a palindrome (33332623333).

The spelling of 30121311230 in words is "thirty billion, one hundred twenty-one million, three hundred eleven thousand, two hundred thirty".