131130203321312 has 144 divisors (see below), whose sum is σ = 289012788191232. Its totient is φ = 58478748756480.

The previous prime is 131130203321279. The next prime is 131130203321323. The reversal of 131130203321312 is 213123302031131.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107863793 + ... + 109072719.

It is an arithmetic number, because the mean of its divisors is an integer number (2007033251328).

Almost surely, 2^{131130203321312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131130203321312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144506394095616).

131130203321312 is an abundant number, since it is smaller than the sum of its proper divisors (157882584869920).

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

131130203321312 is a wasteful number, since it uses less digits than its factorization.

131130203321312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209641 (or 1209620 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 131130203321312 its reverse (213123302031131), we get a palindrome (344253505352443).

The spelling of 131130203321312 in words is "one hundred thirty-one trillion, one hundred thirty billion, two hundred three million, three hundred twenty-one thousand, three hundred twelve".