131130213164240 has 80 divisors (see below), whose sum is σ = 305068692925440. Its totient is φ = 52419243210240.

The previous prime is 131130213164231. The next prime is 131130213164243. The reversal of 131130213164240 is 42461312031131.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 131130213164197 and 131130213164206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131130213164243) 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, 974219345 + ... + 974353935.

It is an arithmetic number, because the mean of its divisors is an integer number (3813358661568).

Almost surely, 2^{131130213164240} is an apocalyptic number.

131130213164240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131130213164240 is an abundant number, since it is smaller than the sum of its proper divisors (173938479761200).

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

131130213164240 is a wasteful number, since it uses less digits than its factorization.

131130213164240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142140 (or 142134 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

Adding to 131130213164240 its reverse (42461312031131), we get a palindrome (173591525195371).

It can be divided in two parts, 13113021 and 3164240, that added together give a palindrome (16277261).

The spelling of 131130213164240 in words is "one hundred thirty-one trillion, one hundred thirty billion, two hundred thirteen million, one hundred sixty-four thousand, two hundred forty".