30121331133213 has 12 divisors (see below), whose sum is σ = 43555932831840. Its totient is φ = 20059036614216.

The previous prime is 30121331133191. The next prime is 30121331133221. The reversal of 30121331133213 is 31233113312103.

30121331133213 is a `hidden beast` number, since 3 + 0 + 1 + 2 + 1 + 3 + 311 + 332 + 13 = 666.

It is not a de Polignac number, because 30121331133213 - 2⁶ = 30121331133149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30121331133293) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1820891931 + ... + 1820908472.

It is an arithmetic number, because the mean of its divisors is an integer number (3629661069320).

Almost surely, 2^{30121331133213} is an apocalyptic number.

It is an amenable number.

30121331133213 is a deficient number, since it is larger than the sum of its proper divisors (13434601698627).

30121331133213 is a wasteful number, since it uses less digits than its factorization.

30121331133213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3641801328 (or 3641801325 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

Adding to 30121331133213 its reverse (31233113312103), we get a palindrome (61354444445316).

The spelling of 30121331133213 in words is "thirty trillion, one hundred twenty-one billion, three hundred thirty-one million, one hundred thirty-three thousand, two hundred thirteen".