30013221031231 has 8 divisors (see below), whose sum is σ = 30017310583680. Its totient is φ = 30009131737248.

The previous prime is 30013221031201. The next prime is 30013221031319. The reversal of 30013221031231 is 13213012231003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30013221031231 is a prime.

It is a super-2 number, since 2×30013221031231² (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 (30013221031201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350919285 + ... + 351004801.

It is an arithmetic number, because the mean of its divisors is an integer number (3752163822960).

Almost surely, 2^{30013221031231} is an apocalyptic number.

30013221031231 is a deficient number, since it is larger than the sum of its proper divisors (4089552449).

30013221031231 is a wasteful number, since it uses less digits than its factorization.

30013221031231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129233.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 30013221031231 its reverse (13213012231003), we get a palindrome (43226233262234).

The spelling of 30013221031231 in words is "thirty trillion, thirteen billion, two hundred twenty-one million, thirty-one thousand, two hundred thirty-one".