30493831359 has 4 divisors (see below), whose sum is σ = 40658441816. Its totient is φ = 20329220904.

The previous prime is 30493831339. The next prime is 30493831439. The reversal of 30493831359 is 95313839403.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 30493831359 - 2⁸ = 30493831103 is a prime.

It is a super-2 number, since 2×30493831359² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30493831339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5082305224 + ... + 5082305229.

It is an arithmetic number, because the mean of its divisors is an integer number (10164610454).

Almost surely, 2^30493831359 is an apocalyptic number.

30493831359 is a deficient number, since it is larger than the sum of its proper divisors (10164610457).

30493831359 is a wasteful number, since it uses less digits than its factorization.

30493831359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10164610456.

The product of its (nonzero) digits is 1049760, while the sum is 48.

The spelling of 30493831359 in words is "thirty billion, four hundred ninety-three million, eight hundred thirty-one thousand, three hundred fifty-nine".