30731691417368 has 32 divisors (see below), whose sum is σ = 58204982592000. Its totient is φ = 15210901665792.

The previous prime is 30731691417353. The next prime is 30731691417391. The reversal of 30731691417368 is 86371419613703.

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, 33227255 + ... + 34139622.

It is an arithmetic number, because the mean of its divisors is an integer number (1818905706000).

Almost surely, 2^{30731691417368} is an apocalyptic number.

It is an amenable number.

30731691417368 is a deficient number, since it is larger than the sum of its proper divisors (27473291174632).

30731691417368 is a wasteful number, since it uses less digits than its factorization.

30731691417368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67367459 (or 67367455 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 59.

The spelling of 30731691417368 in words is "thirty trillion, seven hundred thirty-one billion, six hundred ninety-one million, four hundred seventeen thousand, three hundred sixty-eight".