30231131222 has 8 divisors (see below), whose sum is σ = 45363682272. Its totient is φ = 15109903800.

The previous prime is 30231131219. The next prime is 30231131261. The reversal of 30231131222 is 22213113203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 30231131194 and 30231131203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2824229 + ... + 2834912.

It is an arithmetic number, because the mean of its divisors is an integer number (5670460284).

Almost surely, 2^30231131222 is an apocalyptic number.

30231131222 is a deficient number, since it is larger than the sum of its proper divisors (15132551050).

30231131222 is a wasteful number, since it uses less digits than its factorization.

30231131222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5661814.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 30231131222 its reverse (22213113203), we get a palindrome (52444244425).

The spelling of 30231131222 in words is "thirty billion, two hundred thirty-one million, one hundred thirty-one thousand, two hundred twenty-two".