131202134202320 has 40 divisors (see below), whose sum is σ = 310215215625120. Its totient is φ = 51591347684480.

The previous prime is 131202134202311. The next prime is 131202134202383. The reversal of 131202134202320 is 23202431202131.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 131202134202320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13898526446 + ... + 13898535885.

It is an arithmetic number, because the mean of its divisors is an integer number (7755380390628).

Almost surely, 2^{131202134202320} is an apocalyptic number.

131202134202320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131202134202320 is an abundant number, since it is smaller than the sum of its proper divisors (179013081422800).

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

131202134202320 is a wasteful number, since it uses less digits than its factorization.

131202134202320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27797062403 (or 27797062397 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 131202134202320 its reverse (23202431202131), we get a palindrome (154404565404451).

The spelling of 131202134202320 in words is "one hundred thirty-one trillion, two hundred two billion, one hundred thirty-four million, two hundred two thousand, three hundred twenty".