131130210120 has 128 divisors (see below), whose sum is σ = 484173123840. Its totient is φ = 27667031040.

The previous prime is 131130210091. The next prime is 131130210131. The reversal of 131130210120 is 21012031131.

It is a happy number.

It is a super-2 number, since 2×131130210120² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 131130210120.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5993211 + ... + 6015050.

It is an arithmetic number, because the mean of its divisors is an integer number (3782602530).

Almost surely, 2^131130210120 is an apocalyptic number.

131130210120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131130210120 is an abundant number, since it is smaller than the sum of its proper divisors (353042913720).

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

131130210120 is a wasteful number, since it uses less digits than its factorization.

131130210120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12008295 (or 12008291 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 131130210120 its reverse (21012031131), we get a palindrome (152142241251).

The spelling of 131130210120 in words is "one hundred thirty-one billion, one hundred thirty million, two hundred ten thousand, one hundred twenty".