131345313222 has 16 divisors (see below), whose sum is σ = 263345720112. Its totient is φ = 43672588800.

The previous prime is 131345313217. The next prime is 131345313233. The reversal of 131345313222 is 222313543131.

It is a self number, because there is not a number n which added to its sum of digits gives 131345313222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27292963 + ... + 27297774.

It is an arithmetic number, because the mean of its divisors is an integer number (16459107507).

Almost surely, 2^131345313222 is an apocalyptic number.

131345313222 is an abundant number, since it is smaller than the sum of its proper divisors (132000406890).

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

131345313222 is a wasteful number, since it uses less digits than its factorization.

131345313222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54591143.

The product of its digits is 12960, while the sum is 30.

Adding to 131345313222 its reverse (222313543131), we get a palindrome (353658856353).

The spelling of 131345313222 in words is "one hundred thirty-one billion, three hundred forty-five million, three hundred thirteen thousand, two hundred twenty-two".