30321540105 has 16 divisors (see below), whose sum is σ = 48680049600. Its totient is φ = 16116292928.

The previous prime is 30321540091. The next prime is 30321540157. The reversal of 30321540105 is 50104512303.

It is a cyclic number.

It is not a de Polignac number, because 30321540105 - 2⁷ = 30321539977 is a prime.

It is a super-2 number, since 2×30321540105² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3445155 + ... + 3453944.

It is an arithmetic number, because the mean of its divisors is an integer number (3042503100).

Almost surely, 2^30321540105 is an apocalyptic number.

It is an amenable number.

30321540105 is a deficient number, since it is larger than the sum of its proper divisors (18358509495).

30321540105 is a wasteful number, since it uses less digits than its factorization.

30321540105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6899400.

The product of its (nonzero) digits is 1800, while the sum is 24.

The spelling of 30321540105 in words is "thirty billion, three hundred twenty-one million, five hundred forty thousand, one hundred five".