30992368197 has 32 divisors (see below), whose sum is σ = 47948931072. Its totient is φ = 17439767424.

The previous prime is 30992368193. The next prime is 30992368217. The reversal of 30992368197 is 79186329903.

It is not a de Polignac number, because 30992368197 - 2² = 30992368193 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30992368193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 976228 + ... + 1007474.

It is an arithmetic number, because the mean of its divisors is an integer number (1498404096).

Almost surely, 2^30992368197 is an apocalyptic number.

It is an amenable number.

30992368197 is a deficient number, since it is larger than the sum of its proper divisors (16956562875).

30992368197 is a wasteful number, since it uses less digits than its factorization.

30992368197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31977.

The product of its (nonzero) digits is 4408992, while the sum is 57.

The spelling of 30992368197 in words is "thirty billion, nine hundred ninety-two million, three hundred sixty-eight thousand, one hundred ninety-seven".