131422104220 has 48 divisors (see below), whose sum is σ = 301762137600. Its totient is φ = 47680960320.

The previous prime is 131422104193. The next prime is 131422104239. The reversal of 131422104220 is 22401224131.

It is a super-2 number, since 2×131422104220² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 131422104191 and 131422104200.

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, 583800 + ... + 776959.

It is an arithmetic number, because the mean of its divisors is an integer number (6286711200).

Almost surely, 2^131422104220 is an apocalyptic number.

131422104220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131422104220 is an abundant number, since it is smaller than the sum of its proper divisors (170340033380).

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

131422104220 is a wasteful number, since it uses less digits than its factorization.

131422104220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361218 (or 1361216 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 131422104220 its reverse (22401224131), we get a palindrome (153823328351).

The spelling of 131422104220 in words is "one hundred thirty-one billion, four hundred twenty-two million, one hundred four thousand, two hundred twenty".