131144422120 has 16 divisors (see below), whose sum is σ = 295074949860. Its totient is φ = 52457768832.

The previous prime is 131144422111. The next prime is 131144422139. The reversal of 131144422120 is 21224441131.

It can be written as a sum of positive squares in 2 ways, for example, as 131117858404 + 26563716 = 362102^2 + 5154^2 .

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, 1639305237 + ... + 1639305316.

Almost surely, 2^131144422120 is an apocalyptic number.

131144422120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131144422120 is an abundant number, since it is smaller than the sum of its proper divisors (163930527740).

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

131144422120 is a wasteful number, since it uses less digits than its factorization.

131144422120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3278610564 (or 3278610560 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 131144422120 its reverse (21224441131), we get a palindrome (152368863251).

The spelling of 131144422120 in words is "one hundred thirty-one billion, one hundred forty-four million, four hundred twenty-two thousand, one hundred twenty".