30003131220313 has 4 divisors (see below), whose sum is σ = 30239376348160. Its totient is φ = 29766886092468.

The previous prime is 30003131220299. The next prime is 30003131220353. The reversal of 30003131220313 is 31302213130003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30003131220313 - 2³⁷ = 29865692266841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30003131220353) 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 3 ways as a sum of consecutive naturals, for example, 118122563733 + ... + 118122563986.

It is an arithmetic number, because the mean of its divisors is an integer number (7559844087040).

Almost surely, 2^{30003131220313} is an apocalyptic number.

It is an amenable number.

30003131220313 is a deficient number, since it is larger than the sum of its proper divisors (236245127847).

30003131220313 is a wasteful number, since it uses less digits than its factorization.

30003131220313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236245127846.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 30003131220313 its reverse (31302213130003), we get a palindrome (61305344350316).

The spelling of 30003131220313 in words is "thirty trillion, three billion, one hundred thirty-one million, two hundred twenty thousand, three hundred thirteen".