30240691305 has 16 divisors (see below), whose sum is σ = 52783752384. Its totient is φ = 14662153280.

The previous prime is 30240691291. The next prime is 30240691321. The reversal of 30240691305 is 50319604203.

It is not a de Polignac number, because 30240691305 - 2⁶ = 30240691241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91638294 + ... + 91638623.

It is an arithmetic number, because the mean of its divisors is an integer number (3298984524).

Almost surely, 2^30240691305 is an apocalyptic number.

It is an amenable number.

30240691305 is a deficient number, since it is larger than the sum of its proper divisors (22543061079).

30240691305 is a wasteful number, since it uses less digits than its factorization.

30240691305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183276936.

The product of its (nonzero) digits is 19440, while the sum is 33.

The spelling of 30240691305 in words is "thirty billion, two hundred forty million, six hundred ninety-one thousand, three hundred five".