31222320133230 has 48 divisors (see below), whose sum is σ = 81254543464224. Its totient is φ = 8318104741440.

The previous prime is 31222320133217. The next prime is 31222320133243. The reversal of 31222320133230 is 3233102322213.

31222320133230 is a `hidden beast` number, since 3 + 1 + 2 + 2 + 2 + 320 + 1 + 332 + 3 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (31222320133217) and next prime (31222320133243).

It is a junction number, because it is equal to n+sod(n) for n = 31222320133194 and 31222320133203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163389274 + ... + 163580253.

It is an arithmetic number, because the mean of its divisors is an integer number (1692802988838).

Almost surely, 2^{31222320133230} is an apocalyptic number.

31222320133230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31222320133230 is an abundant number, since it is smaller than the sum of its proper divisors (50032223330994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31222320133230 is a wasteful number, since it uses less digits than its factorization.

31222320133230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326970601 (or 326970598 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 31222320133230 its reverse (3233102322213), we get a palindrome (34455422455443).

The spelling of 31222320133230 in words is "thirty-one trillion, two hundred twenty-two billion, three hundred twenty million, one hundred thirty-three thousand, two hundred thirty".