30223131231 has 32 divisors (see below), whose sum is σ = 42844032000. Its totient is φ = 18918039168.

The previous prime is 30223131193. The next prime is 30223131241. The reversal of 30223131231 is 13213132203.

It is not a de Polignac number, because 30223131231 - 2⁶ = 30223131167 is a prime.

It is a super-2 number, since 2×30223131231² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30223131198 and 30223131207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30223131241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 839050 + ... + 874328.

It is an arithmetic number, because the mean of its divisors is an integer number (1338876000).

Almost surely, 2^30223131231 is an apocalyptic number.

30223131231 is a deficient number, since it is larger than the sum of its proper divisors (12620900769).

30223131231 is a wasteful number, since it uses less digits than its factorization.

30223131231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35583.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 30223131231 its reverse (13213132203), we get a palindrome (43436263434).

The spelling of 30223131231 in words is "thirty billion, two hundred twenty-three million, one hundred thirty-one thousand, two hundred thirty-one".