30913070158 has 4 divisors (see below), whose sum is σ = 46369605240. Its totient is φ = 15456535078.

The previous prime is 30913070099. The next prime is 30913070179. The reversal of 30913070158 is 85107031903.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85107031903 = 50821 ⋅1674643.

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 as a sum of consecutive naturals, namely, 7728267538 + ... + 7728267541.

It is an arithmetic number, because the mean of its divisors is an integer number (11592401310).

Almost surely, 2^30913070158 is an apocalyptic number.

30913070158 is a deficient number, since it is larger than the sum of its proper divisors (15456535082).

30913070158 is a wasteful number, since it uses less digits than its factorization.

30913070158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15456535081.

The product of its (nonzero) digits is 22680, while the sum is 37.

The spelling of 30913070158 in words is "thirty billion, nine hundred thirteen million, seventy thousand, one hundred fifty-eight".