131220313000222 has 32 divisors (see below), whose sum is σ = 203744715271200. Its totient is φ = 63308234548608.

The previous prime is 131220313000219. The next prime is 131220313000277. The reversal of 131220313000222 is 222000313022131.

It is a junction number, because it is equal to n+sod(n) for n = 131220313000193 and 131220313000202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2149606833 + ... + 2149667875.

It is an arithmetic number, because the mean of its divisors is an integer number (6367022352225).

Almost surely, 2^{131220313000222} is an apocalyptic number.

131220313000222 is a deficient number, since it is larger than the sum of its proper divisors (72524402270978).

131220313000222 is a wasteful number, since it uses less digits than its factorization.

131220313000222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83580.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 131220313000222 its reverse (222000313022131), we get a palindrome (353220626022353).

The spelling of 131220313000222 in words is "one hundred thirty-one trillion, two hundred twenty billion, three hundred thirteen million, two hundred twenty-two", and thus it is an aban number.