30133233331213 has 4 divisors (see below), whose sum is σ = 30133964388988. Its totient is φ = 30132502273440.

The previous prime is 30133233331183. The next prime is 30133233331217. The reversal of 30133233331213 is 31213333233103.

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 8631714728484 + 21501518602729 = 2937978^2 + 4636973^2 .

It is a cyclic number.

It is not a de Polignac number, because 30133233331213 - 2⁹ = 30133233330701 is a prime.

It is a super-2 number, since 2×30133233331213² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30133233331217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365467056 + ... + 365549497.

It is an arithmetic number, because the mean of its divisors is an integer number (7533491097247).

Almost surely, 2^{30133233331213} is an apocalyptic number.

It is an amenable number.

30133233331213 is a deficient number, since it is larger than the sum of its proper divisors (731057775).

30133233331213 is an equidigital number, since it uses as much as digits as its factorization.

30133233331213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731057774.

The product of its (nonzero) digits is 26244, while the sum is 31.

Adding to 30133233331213 its reverse (31213333233103), we get a palindrome (61346566564316).

The spelling of 30133233331213 in words is "thirty trillion, one hundred thirty-three billion, two hundred thirty-three million, three hundred thirty-one thousand, two hundred thirteen".