131330340120 has 64 divisors (see below), whose sum is σ = 450275454720. Its totient is φ = 30018363264.

The previous prime is 131330340049. The next prime is 131330340121. The reversal of 131330340120 is 21043033131.

It is a super-2 number, since 2×131330340120² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131330340121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78171982 + ... + 78173661.

It is an arithmetic number, because the mean of its divisors is an integer number (7035553980).

Almost surely, 2^131330340120 is an apocalyptic number.

131330340120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131330340120 is an abundant number, since it is smaller than the sum of its proper divisors (318945114600).

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

131330340120 is a wasteful number, since it uses less digits than its factorization.

131330340120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156345664 (or 156345660 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 131330340120 its reverse (21043033131), we get a palindrome (152373373251).

The spelling of 131330340120 in words is "one hundred thirty-one billion, three hundred thirty million, three hundred forty thousand, one hundred twenty".