30348794881 has 4 divisors (see below), whose sum is σ = 30351589312. Its totient is φ = 30346000452.

The previous prime is 30348794851. The next prime is 30348794887. The reversal of 30348794881 is 18849784303.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30348794881 - 2⁵ = 30348794849 is a prime.

It is a super-2 number, since 2×30348794881² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30348794887) 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, 1380861 + ... + 1402666.

It is an arithmetic number, because the mean of its divisors is an integer number (7587897328).

Almost surely, 2^30348794881 is an apocalyptic number.

It is an amenable number.

30348794881 is a deficient number, since it is larger than the sum of its proper divisors (2794431).

30348794881 is a wasteful number, since it uses less digits than its factorization.

30348794881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2794430.

The product of its (nonzero) digits is 4644864, while the sum is 55.

The spelling of 30348794881 in words is "thirty billion, three hundred forty-eight million, seven hundred ninety-four thousand, eight hundred eighty-one".