30031101223 has 4 divisors (see below), whose sum is σ = 30031467208. Its totient is φ = 30030735240.

The previous prime is 30031101209. The next prime is 30031101253. The reversal of 30031101223 is 32210113003.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30031101223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30031101197 and 30031101206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30031101253) 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, 3328 + ... + 245098.

It is an arithmetic number, because the mean of its divisors is an integer number (7507866802).

Almost surely, 2^30031101223 is an apocalyptic number.

30031101223 is a deficient number, since it is larger than the sum of its proper divisors (365985).

30031101223 is a wasteful number, since it uses less digits than its factorization.

30031101223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365984.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30031101223 its reverse (32210113003), we get a palindrome (62241214226).

The spelling of 30031101223 in words is "thirty billion, thirty-one million, one hundred one thousand, two hundred twenty-three".