30841228813 has 4 divisors (see below), whose sum is σ = 31593453948. Its totient is φ = 30089003680.

The previous prime is 30841228807. The next prime is 30841228823. The reversal of 30841228813 is 31882214803.

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: 31882214803 = 74159 ⋅429917.

It can be written as a sum of positive squares in 2 ways, for example, as 2388961129 + 28452267684 = 48877^2 + 168678^2 .

It is a cyclic number.

It is not a de Polignac number, because 30841228813 - 2¹³ = 30841220621 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30841228823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376112506 + ... + 376112587.

It is an arithmetic number, because the mean of its divisors is an integer number (7898363487).

Almost surely, 2^30841228813 is an apocalyptic number.

It is an amenable number.

30841228813 is a deficient number, since it is larger than the sum of its proper divisors (752225135).

30841228813 is an equidigital number, since it uses as much as digits as its factorization.

30841228813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752225134.

The product of its (nonzero) digits is 73728, while the sum is 40.

The spelling of 30841228813 in words is "thirty billion, eight hundred forty-one million, two hundred twenty-eight thousand, eight hundred thirteen".