30913688867 has 8 divisors (see below), whose sum is σ = 32944098816. Its totient is φ = 28940473672.

The previous prime is 30913688863. The next prime is 30913688887. The reversal of 30913688867 is 76888631903.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30913688867 - 2² = 30913688863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30913688863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14297573 + ... + 14299734.

It is an arithmetic number, because the mean of its divisors is an integer number (4118012352).

Almost surely, 2^30913688867 is an apocalyptic number.

30913688867 is a deficient number, since it is larger than the sum of its proper divisors (2030409949).

30913688867 is a wasteful number, since it uses less digits than its factorization.

30913688867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28597377.

The product of its (nonzero) digits is 10450944, while the sum is 59.

The spelling of 30913688867 in words is "thirty billion, nine hundred thirteen million, six hundred eighty-eight thousand, eight hundred sixty-seven".