30321314155142 has 8 divisors (see below), whose sum is σ = 46711213698576. Its totient is φ = 14750909588952.

The previous prime is 30321314155063. The next prime is 30321314155189. The reversal of 30321314155142 is 24155141312303.

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

It is a congruent number.

It is an unprimeable number.

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, 204873744218 + ... + 204873744365.

It is an arithmetic number, because the mean of its divisors is an integer number (5838901712322).

Almost surely, 2^{30321314155142} is an apocalyptic number.

30321314155142 is a deficient number, since it is larger than the sum of its proper divisors (16389899543434).

30321314155142 is a wasteful number, since it uses less digits than its factorization.

30321314155142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409747488622.

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 30321314155142 its reverse (24155141312303), we get a palindrome (54476455467445).

The spelling of 30321314155142 in words is "thirty trillion, three hundred twenty-one billion, three hundred fourteen million, one hundred fifty-five thousand, one hundred forty-two".