30871235206 has 16 divisors (see below), whose sum is σ = 52944438816. Its totient is φ = 13224949056.

The previous prime is 30871235189. The next prime is 30871235231. The reversal of 30871235206 is 60253217803.

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, 430561 + ... + 497116.

It is an arithmetic number, because the mean of its divisors is an integer number (3309027426).

Almost surely, 2^30871235206 is an apocalyptic number.

30871235206 is a deficient number, since it is larger than the sum of its proper divisors (22073203610).

30871235206 is a wasteful number, since it uses less digits than its factorization.

30871235206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930063.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 30871235206 in words is "thirty billion, eight hundred seventy-one million, two hundred thirty-five thousand, two hundred six".