30691228535 has 16 divisors (see below), whose sum is σ = 40227207552. Its totient is φ = 22293338400.

The previous prime is 30691228507. The next prime is 30691228571. The reversal of 30691228535 is 53582219603.

It is not a de Polignac number, because 30691228535 - 2¹⁴ = 30691212151 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 299429 + ... + 388638.

It is an arithmetic number, because the mean of its divisors is an integer number (2514200472).

Almost surely, 2^30691228535 is an apocalyptic number.

30691228535 is a deficient number, since it is larger than the sum of its proper divisors (9535979017).

30691228535 is a wasteful number, since it uses less digits than its factorization.

30691228535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688894.

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 30691228535 in words is "thirty billion, six hundred ninety-one million, two hundred twenty-eight thousand, five hundred thirty-five".