30033130031213 has 4 divisors (see below), whose sum is σ = 30342749928540. Its totient is φ = 29723510133888.

The previous prime is 30033130031117. The next prime is 30033130031237. The reversal of 30033130031213 is 31213003133003.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18766111368169 + 11267018663044 = 4331987^2 + 3356638^2 .

It is a cyclic number.

It is not a de Polignac number, because 30033130031213 - 2¹⁶ = 30033129965677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30033130031273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154809948518 + ... + 154809948711.

It is an arithmetic number, because the mean of its divisors is an integer number (7585687482135).

Almost surely, 2^{30033130031213} is an apocalyptic number.

It is an amenable number.

30033130031213 is a deficient number, since it is larger than the sum of its proper divisors (309619897327).

30033130031213 is an equidigital number, since it uses as much as digits as its factorization.

30033130031213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309619897326.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 30033130031213 its reverse (31213003133003), we get a palindrome (61246133164216).

The spelling of 30033130031213 in words is "thirty trillion, thirty-three billion, one hundred thirty million, thirty-one thousand, two hundred thirteen".