30971796 has 24 divisors (see below), whose sum is σ = 72651264. Its totient is φ = 10269120.

The previous prime is 30971753. The next prime is 30971839. The reversal of 30971796 is 69717903.

It is an interprime number because it is at equal distance from previous prime (30971753) and next prime (30971839).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4465 + ... + 9048.

It is an arithmetic number, because the mean of its divisors is an integer number (3027136).

Almost surely, 2^30971796 is an apocalyptic number.

It is an amenable number.

30971796 is an abundant number, since it is smaller than the sum of its proper divisors (41679468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30971796 is a wasteful number, since it uses less digits than its factorization.

30971796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13711 (or 13709 counting only the distinct ones).

The product of its (nonzero) digits is 71442, while the sum is 42.

The square root of 30971796 is about 5565.2309925106. The cubic root of 30971796 is about 314.0427680531.

The spelling of 30971796 in words is "thirty million, nine hundred seventy-one thousand, seven hundred ninety-six".