30191004813 has 8 divisors (see below), whose sum is σ = 41190828448. Its totient is φ = 19659258864.

The previous prime is 30191004793. The next prime is 30191004827. The reversal of 30191004813 is 31840019103.

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

It is not a de Polignac number, because 30191004813 - 2¹⁰ = 30191003789 is a prime.

It is a super-2 number, since 2×30191004813² (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 (30191004863) 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, 117019270 + ... + 117019527.

It is an arithmetic number, because the mean of its divisors is an integer number (5148853556).

Almost surely, 2^30191004813 is an apocalyptic number.

It is an amenable number.

30191004813 is a deficient number, since it is larger than the sum of its proper divisors (10999823635).

30191004813 is a wasteful number, since it uses less digits than its factorization.

30191004813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234038843.

The product of its (nonzero) digits is 2592, while the sum is 30.

The spelling of 30191004813 in words is "thirty billion, one hundred ninety-one million, four thousand, eight hundred thirteen".