30368131221 has 8 divisors (see below), whose sum is σ = 40579444864. Its totient is φ = 20201119200.

The previous prime is 30368131219. The next prime is 30368131249. The reversal of 30368131221 is 12213186303.

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

It is not a de Polignac number, because 30368131221 - 2¹ = 30368131219 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 (30368131201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11073805 + ... + 11076546.

It is an arithmetic number, because the mean of its divisors is an integer number (5072430608).

Almost surely, 2^30368131221 is an apocalyptic number.

It is an amenable number.

30368131221 is a deficient number, since it is larger than the sum of its proper divisors (10211313643).

30368131221 is a wasteful number, since it uses less digits than its factorization.

30368131221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22150811.

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 30368131221 in words is "thirty billion, three hundred sixty-eight million, one hundred thirty-one thousand, two hundred twenty-one".