30231131212223 has 4 divisors (see below), whose sum is σ = 30342685202208. Its totient is φ = 30119577222240.

The previous prime is 30231131212213. The next prime is 30231131212231. The reversal of 30231131212223 is 32221213113203.

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

It is a cyclic number.

It is not a de Polignac number, because 30231131212223 - 2¹⁶ = 30231131146687 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30231131212192 and 30231131212201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30231131212213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55776994586 + ... + 55776995127.

It is an arithmetic number, because the mean of its divisors is an integer number (7585671300552).

Almost surely, 2^{30231131212223} is an apocalyptic number.

30231131212223 is a deficient number, since it is larger than the sum of its proper divisors (111553989985).

30231131212223 is a wasteful number, since it uses less digits than its factorization.

30231131212223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111553989984.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 30231131212223 its reverse (32221213113203), we get a palindrome (62452344325426).

The spelling of 30231131212223 in words is "thirty trillion, two hundred thirty-one billion, one hundred thirty-one million, two hundred twelve thousand, two hundred twenty-three".