131322213312 has 28 divisors (see below), whose sum is σ = 347456689896. Its totient is φ = 43774071040.

The previous prime is 131322213301. The next prime is 131322213349. The reversal of 131322213312 is 213312223131.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

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, 341984739 + ... + 341985122.

Almost surely, 2^131322213312 is an apocalyptic number.

131322213312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131322213312 is an abundant number, since it is smaller than the sum of its proper divisors (216134476584).

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

131322213312 is an equidigital number, since it uses as much as digits as its factorization.

131322213312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683969876 (or 683969866 counting only the distinct ones).

The product of its digits is 1296, while the sum is 24.

Adding to 131322213312 its reverse (213312223131), we get a palindrome (344634436443).

The spelling of 131322213312 in words is "one hundred thirty-one billion, three hundred twenty-two million, two hundred thirteen thousand, three hundred twelve".