31320224222130 has 48 divisors (see below), whose sum is σ = 81497781495000. Its totient is φ = 8345372765184.

The previous prime is 31320224222123. The next prime is 31320224222153. The reversal of 31320224222130 is 3122242202313.

31320224222130 is a `hidden beast` number, since 3 + 1 + 3 + 2 + 0 + 22 + 422 + 213 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 29829522412881 + 1490701809249 = 5461641^2 + 1220943^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31320224222094 and 31320224222103.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139200037 + ... + 139424856.

Almost surely, 2^{31320224222130} is an apocalyptic number.

31320224222130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31320224222130 is an abundant number, since it is smaller than the sum of its proper divisors (50177557272870).

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

31320224222130 is a wasteful number, since it uses less digits than its factorization.

31320224222130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278626155 (or 278626152 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 31320224222130 its reverse (3122242202313), we get a palindrome (34442466424443).

The spelling of 31320224222130 in words is "thirty-one trillion, three hundred twenty billion, two hundred twenty-four million, two hundred twenty-two thousand, one hundred thirty".