30691228534 has 16 divisors (see below), whose sum is σ = 46889320320. Its totient is φ = 15062506560.

The previous prime is 30691228507. The next prime is 30691228571. The reversal of 30691228534 is 43582219603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204159 + ... + 321034.

It is an arithmetic number, because the mean of its divisors is an integer number (2930582520).

Almost surely, 2^30691228534 is an apocalyptic number.

30691228534 is a deficient number, since it is larger than the sum of its proper divisors (16198091786).

30691228534 is a wasteful number, since it uses less digits than its factorization.

30691228534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525735.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 30691228534 in words is "thirty billion, six hundred ninety-one million, two hundred twenty-eight thousand, five hundred thirty-four".